nih-gov/www.ncbi.nlm.nih.gov/omim/606202

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Entry
- *606202 - SOLUTE CARRIER FAMILY 45, MEMBER 2; SLC45A2
- OMIM
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<span class="h4">*606202</span>
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<strong>Table of Contents</strong>
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<a href="#title"><strong>Title</strong></a>
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<a href="#geneMap"><strong>Gene-Phenotype Relationships</strong></a>
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<a href="#text"><strong>Text</strong></a>
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<a href="#description">Description</a>
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<a href="#cloning">Cloning and Expression</a>
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<a href="#geneFunction">Gene Function</a>
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<li role="presentation" style="margin-left: 1em">
<a href="#geneStructure">Gene Structure</a>
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<a href="#mapping">Mapping</a>
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<a href="#evolution">Evolution</a>
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<a href="#molecularGenetics">Molecular Genetics</a>
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<a href="#animalModel">Animal Model</a>
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<a href="#allelicVariants"><strong>Allelic Variants</strong></a>
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<a href="#contributors"><strong>Contributors</strong></a>
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<a href="#creationDate"><strong>Creation Date</strong></a>
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<div class="panel-heading mim-panel-heading" role="tab" id="mimProtein">
<span class="panel-title">
<span class="small">
<a href="#mimProteinLinksFold" id="mimProteinLinksToggle" class="collapsed mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
<span id="mimProteinLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5">&#9658;</span> Protein
</a>
</span>
</span>
</div>
<div id="mimProteinLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel">
<div class="panel-body small mim-panel-body">
<div><a href="https://hprd.org/summary?hprd_id=05865&isoform_id=05865_1&isoform_name=Isoform_1" class="mim-tip-hint" title="The Human Protein Reference Database; manually extracted and visually depicted information on human proteins." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'HPRD', 'domain': 'hprd.org'})">HPRD</a></div>
<div><a href="https://www.proteinatlas.org/search/SLC45A2" class="mim-tip-hint" title="The Human Protein Atlas contains information for a large majority of all human protein-coding genes regarding the expression and localization of the corresponding proteins based on both RNA and protein data." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'HumanProteinAtlas', 'domain': 'proteinatlas.org'})">Human Protein Atlas</a></div>
<div><a href="https://www.ncbi.nlm.nih.gov/protein/5802879,13097810,39963555,119631216,119631217,119631218,119631219,145572854,673936470,673936472,673936476,673936480,673936482,673936484,673936488,673936490,673936492,673936496,673936500,673936502,673936504,673936508,673936510,673936512,673936516,673936518,673936520,673936524,673936528,673936532,673936536,673936538,673936540,673936542,673936544,673936548,673936550,673936552,673936554,673936556,673936560,673936564,673936566,673936568,673936572,673936574,673936576,673936578,673936580,673936584,673936588,673936590,673936592,673936594,673936596,673936600,673936604,673936606,673936608,673936610,673936612,673936614,673936616,673936618,673936620,673936622,673936624,673936626,673936628,673936630,673936632,673936634,673936636,673936638,673936640,673936642,673936644,673936646,673936648,673936650,673936652,673936654,673936656,673936658,673936660,673936662,673936664,673936666,673936668,673936670,673936672,673936674,673936676,673936678,673936680,673936682,673936684,673936686,673936688,673936690,673936692,673936694,673936696,673936698,673936700,673936704,673936706,673936708,673936712,673936714,673936716,673936718,673936720,673936724,673936726,673936728,673936730,673936732,673936736,673936738,673936740,729719230,1519311857,1676336641,2217356025,2217356027,2462602777,2462602780" class="mim-tip-hint" title="NCBI protein data." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'NCBI Protein', 'domain': 'ncbi.nlm.nih.gov'})">NCBI Protein</a></div>
<div><a href="https://www.uniprot.org/uniprotkb/Q9UMX9" class="mim-tip-hint" title="Comprehensive protein sequence and functional information, including supporting data." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'UniProt', 'domain': 'uniprot.org'})">UniProt</a></div>
</div>
</div>
</div>
<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimGeneInfo">
<span class="panel-title">
<span class="small">
<a href="#mimGeneInfoLinksFold" id="mimGeneInfoLinksToggle" class="collapsed mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
<div style="display: table-row">
<div id="mimGeneInfoLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
&nbsp;
<div style="display: table-cell;">Gene Info</div>
</div>
</a>
</span>
</span>
</div>
<div id="mimGeneInfoLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel">
<div class="panel-body small mim-panel-body">
<div><a href="http://biogps.org/#goto=genereport&id=51151" class="mim-tip-hint" title="The Gene Portal Hub; customizable portal of gene and protein function information." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'BioGPS', 'domain': 'biogps.org'})">BioGPS</a></div>
<div><a href="https://www.ensembl.org/Homo_sapiens/Gene/Summary?db=core;g=ENSG00000164175;t=ENST00000296589" class="mim-tip-hint" title="Orthologs, paralogs, regulatory regions, and splice variants." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Ensembl', 'domain': 'ensembl.org'})">Ensembl</a></div>
<div><a href="https://www.genecards.org/cgi-bin/carddisp.pl?gene=SLC45A2" class="mim-tip-hint" title="The Human Genome Compendium; web-based cards integrating automatically mined information on human genes." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'GeneCards', 'domain': 'genecards.org'})">GeneCards</a></div>
<div><a href="http://amigo.geneontology.org/amigo/search/annotation?q=SLC45A2" class="mim-tip-hint" title="Terms, defined using controlled vocabulary, representing gene product properties (biologic process, cellular component, molecular function) across species." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'GeneOntology', 'domain': 'amigo.geneontology.org'})">Gene Ontology</a></div>
<div><a href="https://www.genome.jp/dbget-bin/www_bget?hsa+51151" class="mim-tip-hint" title="Kyoto Encyclopedia of Genes and Genomes; diagrams of signaling pathways." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'KEGG', 'domain': 'genome.jp'})">KEGG</a></div>
<dd><a href="http://v1.marrvel.org/search/gene/SLC45A2" class="mim-tip-hint" title="Model organism Aggregated Resources for Rare Variant ExpLoration." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'MARRVEL', 'domain': 'marrvel.org'})">MARRVEL</a></dd>
<dd><a href="https://monarchinitiative.org/NCBIGene:51151" class="mim-tip-hint" title="Monarch Initiative." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Monarch', 'domain': 'monarchinitiative.org'})">Monarch</a></dd>
<div><a href="https://www.ncbi.nlm.nih.gov/gene/51151" class="mim-tip-hint" title="Gene-specific map, sequence, expression, structure, function, citation, and homology data." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'NCBI Gene', 'domain': 'ncbi.nlm.nih.gov'})">NCBI Gene</a></div>
<div><a href="https://genome.ucsc.edu/cgi-bin/hgGene?db=hg38&hgg_chrom=chr5&hgg_gene=ENST00000296589.9&hgg_start=33944623&hgg_end=33984693&hgg_type=knownGene" class="mim-tip-hint" title="UCSC Genome Bioinformatics; gene-specific structure and function information with links to other databases." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'UCSC', 'domain': 'genome.ucsc.edu'})">UCSC</a></div>
</div>
</div>
</div>
<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimClinicalResources">
<span class="panel-title">
<span class="small">
<a href="#mimClinicalResourcesLinksFold" id="mimClinicalResourcesLinksToggle" class="collapsed mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
<div style="display: table-row">
<div id="mimClinicalResourcesLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
&nbsp;
<div style="display: table-cell;">Clinical Resources</div>
</div>
</a>
</span>
</span>
</div>
<div id="mimClinicalResourcesLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel" aria-labelledby="clinicalResources">
<div class="panel-body small mim-panel-body">
<div><a href="https://medlineplus.gov/genetics/gene/slc45a2" class="mim-tip-hint" title="Consumer-friendly information about the effects of genetic variation on human health." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'MedlinePlus Genetics', 'domain': 'medlineplus.gov'})">MedlinePlus Genetics</a></div>
<div><a href="https://www.ncbi.nlm.nih.gov/gtr/all/tests/?term=606202[mim]" class="mim-tip-hint" title="Genetic Testing Registry." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'GTR', 'domain': 'ncbi.nlm.nih.gov'})">GTR</a></div>
</div>
</div>
</div>
<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimVariation">
<span class="panel-title">
<span class="small">
<a href="#mimVariationLinksFold" id="mimVariationLinksToggle" class=" mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
<span id="mimVariationLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5">&#9660;</span> Variation
</a>
</span>
</span>
</div>
<div id="mimVariationLinksFold" class="panel-collapse collapse in mimLinksFold" role="tabpanel">
<div class="panel-body small mim-panel-body">
<div><a href="https://www.ncbi.nlm.nih.gov/clinvar?term=606202[MIM]" class="mim-tip-hint" title="ClinVar aggregates information about sequence variation and its relationship to human health." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">ClinVar</a></div>
<div><a href="https://gnomad.broadinstitute.org/gene/ENSG00000164175" class="mim-tip-hint" title="The Genome Aggregation Database (gnomAD), Broad Institute." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'gnomAD', 'domain': 'gnomad.broadinstitute.org'})">gnomAD</a></div>
<div><a href="https://www.ebi.ac.uk/gwas/search?query=SLC45A2" class="mim-tip-hint" title="GWAS Catalog; NHGRI-EBI Catalog of published genome-wide association studies." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'GWAS Catalog', 'domain': 'gwascatalog.org'})">GWAS Catalog&nbsp;</a></div>
<div><a href="https://www.gwascentral.org/search?q=SLC45A2" class="mim-tip-hint" title="GWAS Central; summary level genotype-to-phenotype information from genetic association studies." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'GWAS Central', 'domain': 'gwascentral.org'})">GWAS Central&nbsp;</a></div>
<div><a href="http://www.hgmd.cf.ac.uk/ac/gene.php?gene=SLC45A2" class="mim-tip-hint" title="Human Gene Mutation Database; published mutations causing or associated with human inherited disease; disease-associated/functional polymorphisms." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'HGMD', 'domain': 'hgmd.cf.ac.uk'})">HGMD</a></div>
<div><a href="#mimLocusSpecificDBsFold" id="mimLocusSpecificDBsToggle" data-toggle="collapse" class="mim-tip-hint mimTriangleToggle" title="A gene-specific database of variation."><span id="mimLocusSpecificDBsToggleTriangle" class="small" style="margin-left: -0.8em;">&#9658;</span>Locus Specific DBs</div>
<div id="mimLocusSpecificDBsFold" class="collapse">
<div style="margin-left: 0.5em;"><a href="http://albinismdb.med.umn.edu/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Locus Specific DB', 'domain': 'locus-specific-db.org'})">Albinism Database</a></div><div style="margin-left: 0.5em;"><a href="http://www.retina-international.org/files/sci-news/matpmut.htm" title="Mutations of the Membrane-associated Transport Protein Gene (MATP)" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Locus Specific DB', 'domain': 'locus-specific-db.org'})">Mutations of the Membrane-…</a></div>
</div>
<div><a href="https://evs.gs.washington.edu/EVS/PopStatsServlet?searchBy=Gene+Hugo&target=SLC45A2&upstreamSize=0&downstreamSize=0&x=0&y=0" class="mim-tip-hint" title="National Heart, Lung, and Blood Institute Exome Variant Server." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'NHLBI EVS', 'domain': 'evs.gs.washington.edu'})">NHLBI EVS</a></div>
<div><a href="https://www.pharmgkb.org/gene/PA134897756" class="mim-tip-hint" title="Pharmacogenomics Knowledge Base; curated and annotated information regarding the effects of human genetic variations on drug response." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PharmGKB', 'domain': 'pharmgkb.org'})">PharmGKB</a></div>
</div>
</div>
</div>
<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimAnimalModels">
<span class="panel-title">
<span class="small">
<a href="#mimAnimalModelsLinksFold" id="mimAnimalModelsLinksToggle" class="collapsed mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
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<div id="mimAnimalModelsLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
&nbsp;
<div style="display: table-cell;">Animal Models</div>
</div>
</a>
</span>
</span>
</div>
<div id="mimAnimalModelsLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel">
<div class="panel-body small mim-panel-body">
<div><a href="https://www.alliancegenome.org/gene/HGNC:16472" class="mim-tip-hint" title="Search Across Species; explore model organism and human comparative genomics." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Alliance Genome', 'domain': 'alliancegenome.org'})">Alliance Genome</a></div>
<div><a href="https://flybase.org/reports/FBgn0035968.html" class="mim-tip-hint" title="A Database of Drosophila Genes and Genomes." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'FlyBase', 'domain': 'flybase.org'})">FlyBase</a></div>
<div><a href="https://www.mousephenotype.org/data/genes/MGI:2153040" class="mim-tip-hint" title="International Mouse Phenotyping Consortium." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'IMPC', 'domain': 'knockoutmouse.org'})">IMPC</a></div>
<div><a href="http://v1.marrvel.org/search/gene/SLC45A2#HomologGenesPanel" class="mim-tip-hint" title="Model organism Aggregated Resources for Rare Variant ExpLoration." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'MARRVEL', 'domain': 'marrvel.org'})">MARRVEL</a></div>
<div><a href="http://www.informatics.jax.org/marker/MGI:2153040" class="mim-tip-hint" title="Mouse Genome Informatics; international database resource for the laboratory mouse, including integrated genetic, genomic, and biological data." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'MGI Mouse Gene', 'domain': 'informatics.jax.org'})">MGI Mouse Gene</a></div>
<div><a href="https://www.mmrrc.org/catalog/StrainCatalogSearchForm.php?search_query=" class="mim-tip-hint" title="Mutant Mouse Resource & Research Centers." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'MMRRC', 'domain': 'mmrrc.org'})">MMRRC</a></div>
<div><a href="https://www.ncbi.nlm.nih.gov/gene/51151/ortholog/" class="mim-tip-hint" title="Orthologous genes at NCBI." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'NCBI Orthologs', 'domain': 'ncbi.nlm.nih.gov'})">NCBI Orthologs</a></div>
<div><a href="https://omia.org/results?search_type=advanced&omia_id=000213,000370,001344,001821,002617,002628,002668" class="mim-tip-hint" title="OMIA" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'OMIA', 'domain': 'omia.angis.org.au'})">OMIA</a></div>
<div><a href="https://www.orthodb.org/?ncbi=51151" class="mim-tip-hint" title="Hierarchical catalogue of orthologs." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'OrthoDB', 'domain': 'orthodb.org'})">OrthoDB</a></div>
<div><a href="https://zfin.org/ZDB-GENE-050208-97" class="mim-tip-hint" title="The Zebrafish Model Organism Database." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'ZFin', 'domain': 'zfin.org'})">ZFin</a></div>
</div>
</div>
</div>
<div class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimCellularPathways">
<span class="panel-title">
<span class="small">
<a href="#mimCellularPathwaysLinksFold" id="mimCellularPathwaysLinksToggle" class="collapsed mimSingletonTriangleToggle" role="button" data-toggle="collapse" data-parent="#mimExternalLinksAccordion">
<div style="display: table-row">
<div id="mimCellularPathwaysLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
&nbsp;
<div style="display: table-cell;">Cellular Pathways</div>
</div>
</a>
</span>
</span>
</div>
<div id="mimCellularPathwaysLinksFold" class="panel-collapse collapse mimLinksFold" role="tabpanel">
<div class="panel-body small mim-panel-body">
<div><a href="https://reactome.org/content/query?q=SLC45A2&species=Homo+sapiens&types=Reaction&types=Pathway&cluster=true" class="definition" title="Protein-specific information in the context of relevant cellular pathways." target="_blank" onclick="gtag('event', 'mim_outbound', {{'name': 'Reactome', 'domain': 'reactome.org'}})">Reactome</a></div>
</div>
</div>
</div>
</div>
</div>
</div>
<span>
<span class="mim-tip-bottom" qtip_title="<strong>Looking for this gene or this phenotype in other resources?</strong>" qtip_text="Select a related resource from the dropdown menu and click for a targeted link to information directly relevant.">
&nbsp;
</span>
</span>
</div>
<div class="col-lg-8 col-lg-pull-2 col-md-8 col-md-pull-2 col-sm-8 col-sm-pull-2 col-xs-12">
<div>
<a id="title" class="mim-anchor"></a>
<div>
<a id="number" class="mim-anchor"></a>
<div class="text-right">
<a href="#" class="mim-tip-icd" qtip_title="<strong>ICD+</strong>" qtip_text="
<strong>SNOMEDCT:</strong> 715632003<br />
">ICD+</a>
</div>
<div>
<span class="h3">
<span class="mim-font mim-tip-hint" title="Gene description">
<span class="text-danger"><strong>*</strong></span>
606202
</span>
</span>
</div>
</div>
<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
SOLUTE CARRIER FAMILY 45, MEMBER 2; SLC45A2
</span>
</h3>
</div>
<div>
<br />
</div>
<div>
<a id="alternativeTitles" class="mim-anchor"></a>
<div>
<p>
<span class="mim-font">
<em>Alternative titles; symbols</em>
</span>
</p>
</div>
<div>
<h4>
<span class="mim-font">
MEMBRANE-ASSOCIATED TRANSPORTER PROTEIN; MATP<br />
MELANOMA ANTIGEN AIM1; AIM1
</span>
</h4>
</div>
</div>
<div>
<br />
</div>
</div>
<div>
<a id="approvedGeneSymbols" class="mim-anchor"></a>
<p>
<span class="mim-text-font">
<strong><em>HGNC Approved Gene Symbol: <a href="https://www.genenames.org/tools/search/#!/genes?query=SLC45A2" class="mim-tip-hint" title="HUGO Gene Nomenclature Committee." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'HGNC', 'domain': 'genenames.org'})">SLC45A2</a></em></strong>
</span>
</p>
</div>
<div>
<a id="cytogeneticLocation" class="mim-anchor"></a>
<p>
<span class="mim-text-font">
<strong>
<em>
Cytogenetic location: <a href="/geneMap/5/95?start=-3&limit=10&highlight=95">5p13.2</a>
&nbsp;
Genomic coordinates <span class="small">(GRCh38)</span> : <a href="https://genome.ucsc.edu/cgi-bin/hgTracks?db=hg38&position=chr5:33944623-33984693&dgv=pack&knownGene=pack&omimGene=pack" class="mim-tip-hint" title="UCSC Genome Browser; reference sequences and working draft assemblies for a large collection of genomes." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'UCSC Genome Browser', 'domain': 'genome.ucsc.edu'})">5:33,944,623-33,984,693</a> </span>
</em>
</strong>
<a href="https://www.ncbi.nlm.nih.gov/" target="_blank" class="small"> (from NCBI) </a>
</span>
</p>
</div>
<div>
<br />
</div>
<div>
<a id="geneMap" class="mim-anchor"></a>
<div style="margin-bottom: 10px;">
<span class="h4 mim-font">
<strong>Gene-Phenotype Relationships</strong>
</span>
</div>
<div>
<table class="table table-bordered table-condensed table-hover small mim-table-padding">
<thead>
<tr class="active">
<th>
Location
</th>
<th>
Phenotype
<span class="hidden-sm hidden-xs pull-right">
<a href="/clinicalSynopsis/table?mimNumber=227240,227240,227240,606574" class="label label-warning" onclick="gtag('event', 'mim_link', {'source': 'Entry', 'destination': 'clinicalSynopsisTable'})">
View Clinical Synopses
</a>
</span>
</th>
<th>
Phenotype <br /> MIM number
</th>
<th>
Inheritance
</th>
<th>
Phenotype <br /> mapping key
</th>
</tr>
</thead>
<tbody>
<tr>
<td rowspan="4">
<span class="mim-font">
<a href="/geneMap/5/95?start=-3&limit=10&highlight=95">
5p13.2
</a>
</span>
</td>
<td>
<span class="mim-font">
[Skin/hair/eye pigmentation 5, black/nonblack hair]
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/227240"> 227240 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known">3</abbr>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
[Skin/hair/eye pigmentation 5, dark/fair skin]
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/227240"> 227240 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known">3</abbr>
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
[Skin/hair/eye pigmentation 5, dark/light eyes]
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/227240"> 227240 </a>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
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<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known">3</abbr>
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<span class="mim-font">
Albinism, oculocutaneous, type IV
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<span class="mim-font">
<a href="/entry/606574"> 606574 </a>
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<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="Autosomal recessive">AR</abbr>
</span>
</td>
<td>
<span class="mim-font">
<abbr class="mim-tip-hint" title="3 - The molecular basis of the disorder is known">3</abbr>
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<h4>
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<span class="mim-tip-floating" qtip_title="<strong>Looking For More References?</strong>" qtip_text="Click the 'reference plus' icon &lt;span class='glyphicon glyphicon-plus-sign'&gt;&lt;/span&gt at the end of each OMIM text paragraph to see more references related to the content of the preceding paragraph.">
<strong>TEXT</strong>
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<a id="description" class="mim-anchor"></a>
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<strong>Description</strong>
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<p>The AIM1 gene encodes a melanocyte differentiation antigen that is expressed in a high percentage of melanoma cell lines. Its homolog in medaka fish, 'B,' encodes a transporter that mediates melanin synthesis (<a href="#4" class="mim-tip-reference" title="Fukamachi, S., Shimada, A., Shima, A. &lt;strong&gt;Mutations in the gene encoding B, a novel transporter protein, reduce melanin content in medaka.&lt;/strong&gt; Nature Genet. 28: 381-385, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11479596/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11479596&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/ng584&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="11479596">Fukamachi et al., 2001</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11479596" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p>SLC45A2 is an H(+)-dependent sugar transporter (<a href="#1" class="mim-tip-reference" title="Bartolke, R., Heinisch, J. J., Wieczorek, H., Vitavska, O. &lt;strong&gt;Proton-associated sucrose transport of mammalian solute carrier family 45: an analysis in Saccharomyces cerevisiae.&lt;/strong&gt; Biochem. J. 464: 193-201, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25164149/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;25164149&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1042/BJ20140572&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="25164149">Bartolke et al., 2014</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25164149" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<div>
<a id="cloning" class="mim-anchor"></a>
<h4 href="#mimCloningFold" id="mimCloningToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<strong>Cloning and Expression</strong>
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<p><a href="#9" class="mim-tip-reference" title="Harada, M., Li, Y. F., El-Gamil, M., Rosenberg, S. A., Robbins, P. F. &lt;strong&gt;Use of an in vitro immunoselected tumor line to identify shared melanoma antigens recognized by HLA-A*0201-restricted T cells.&lt;/strong&gt; Cancer Res. 61: 1089-1094, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11221837/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11221837&lt;/a&gt;]" pmid="11221837">Harada et al. (2001)</a> identified an antigen in human melanoma that they called AIM1 protein. The AIM1 gene was expressed in 3 melanoma cell lines, but not in a fibroblast cell line, and not at significant levels in any of 15 normal tissues. The human AIM1 gene encodes a protein of 530 amino acids. Northern blot analysis detected 2 transcripts, one of 1.7 kb and the other of 2.8 kb. <a href="#9" class="mim-tip-reference" title="Harada, M., Li, Y. F., El-Gamil, M., Rosenberg, S. A., Robbins, P. F. &lt;strong&gt;Use of an in vitro immunoselected tumor line to identify shared melanoma antigens recognized by HLA-A*0201-restricted T cells.&lt;/strong&gt; Cancer Res. 61: 1089-1094, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11221837/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11221837&lt;/a&gt;]" pmid="11221837">Harada et al. (2001)</a> concluded that the AIM1 gene encodes a melanocyte differentiation antigen that is expressed in a high percentage of melanoma cell lines. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11221837" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#4" class="mim-tip-reference" title="Fukamachi, S., Shimada, A., Shima, A. &lt;strong&gt;Mutations in the gene encoding B, a novel transporter protein, reduce melanin content in medaka.&lt;/strong&gt; Nature Genet. 28: 381-385, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11479596/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11479596&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/ng584&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="11479596">Fukamachi et al. (2001)</a> used a positional cloning effort to isolate a medaka pigment gene highly homologous to human AIM1. This gene encodes a transporter that mediates melanin synthesis. The medaka AIM1 protein consists of 12 transmembrane domains and is 55% identical to human AIM1. <a href="#4" class="mim-tip-reference" title="Fukamachi, S., Shimada, A., Shima, A. &lt;strong&gt;Mutations in the gene encoding B, a novel transporter protein, reduce melanin content in medaka.&lt;/strong&gt; Nature Genet. 28: 381-385, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11479596/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11479596&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/ng584&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="11479596">Fukamachi et al. (2001)</a> also isolated a highly homologous gene from the mouse, indicating a conserved function of vertebrate melanogenesis. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11479596" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#13" class="mim-tip-reference" title="Newton, J. M., Cohen-Barak, O., Hagiwara, N., Gardner, J. M., Davisson, M. T., King, R. A., Brilliant, M. H. &lt;strong&gt;Mutations in the human orthologue of the mouse underwhite gene (uw) underlie a new form of oculocutaneous albinism, OCA4.&lt;/strong&gt; Am. J. Hum. Genet. 69: 981-988, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11574907/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11574907&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=11574907[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/324340&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="11574907">Newton et al. (2001)</a> identified the human AIM1 gene, which they designated MATP, by study of human chromosome 5p, a region showing syntenic homology with the proximal region of mouse chromosome 15 where the underwhite (uw) locus maps. They cloned the human MATP and mouse uw cDNAs and determined that the deduced human and mouse proteins share 82% sequence identity. Both proteins are approximately 58 kD and are predicted to span a lipid bilayer 12 times. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11574907" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p>Using real-time PCR, <a href="#1" class="mim-tip-reference" title="Bartolke, R., Heinisch, J. J., Wieczorek, H., Vitavska, O. &lt;strong&gt;Proton-associated sucrose transport of mammalian solute carrier family 45: an analysis in Saccharomyces cerevisiae.&lt;/strong&gt; Biochem. J. 464: 193-201, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25164149/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;25164149&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1042/BJ20140572&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="25164149">Bartolke et al. (2014)</a> detected Slc45a2 expression predominantly in mouse eye and skin, with little to no expression in other tissues. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25164149" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="geneFunction" class="mim-anchor"></a>
<h4 href="#mimGeneFunctionFold" id="mimGeneFunctionToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<strong>Gene Function</strong>
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<p><a href="#2" class="mim-tip-reference" title="Du, J., Fisher, D. E. &lt;strong&gt;Identification of Aim-1 as the underwhite mouse mutant and its transcriptional regulation by MITF.&lt;/strong&gt; J. Biol. Chem. 277: 402-406, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11700328/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11700328&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1074/jbc.M110229200&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="11700328">Du and Fisher (2002)</a> determined that MATP is transcriptionally modulated by MITF (<a href="/entry/156845">156845</a>), a melanocyte-specific transcription factor. Chromatin immunoprecipitation did not detect direct binding of MITF to a 5-prime flanking region of MATP, suggesting that MITF may act indirectly or may bind to a remote regulatory sequence. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11700328" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p>By expressing the full-length protein in S. cerevisiae, <a href="#1" class="mim-tip-reference" title="Bartolke, R., Heinisch, J. J., Wieczorek, H., Vitavska, O. &lt;strong&gt;Proton-associated sucrose transport of mammalian solute carrier family 45: an analysis in Saccharomyces cerevisiae.&lt;/strong&gt; Biochem. J. 464: 193-201, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/25164149/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;25164149&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1042/BJ20140572&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="25164149">Bartolke et al. (2014)</a> found that mouse Slc45a2 functioned as an H(+)-sucrose symporter. Inhibition studies suggested that Slc45a2 also transports glucose and fructose. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=25164149" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="geneStructure" class="mim-anchor"></a>
<h4 href="#mimGeneStructureFold" id="mimGeneStructureToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<strong>Gene Structure</strong>
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<p><a href="#13" class="mim-tip-reference" title="Newton, J. M., Cohen-Barak, O., Hagiwara, N., Gardner, J. M., Davisson, M. T., King, R. A., Brilliant, M. H. &lt;strong&gt;Mutations in the human orthologue of the mouse underwhite gene (uw) underlie a new form of oculocutaneous albinism, OCA4.&lt;/strong&gt; Am. J. Hum. Genet. 69: 981-988, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11574907/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11574907&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=11574907[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/324340&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="11574907">Newton et al. (2001)</a> determined that the SLC45A2 gene contains 7 exons spanning a region of approximately 40 kb. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11574907" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="mapping" class="mim-anchor"></a>
<h4 href="#mimMappingFold" id="mimMappingToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<strong>Mapping</strong>
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<p>By sequence analysis, <a href="#13" class="mim-tip-reference" title="Newton, J. M., Cohen-Barak, O., Hagiwara, N., Gardner, J. M., Davisson, M. T., King, R. A., Brilliant, M. H. &lt;strong&gt;Mutations in the human orthologue of the mouse underwhite gene (uw) underlie a new form of oculocutaneous albinism, OCA4.&lt;/strong&gt; Am. J. Hum. Genet. 69: 981-988, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11574907/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11574907&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=11574907[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/324340&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="11574907">Newton et al. (2001)</a> mapped the SLC45A2 gene to chromosome 5p. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11574907" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#7" class="mim-tip-reference" title="Gross, M. B. &lt;strong&gt;Personal Communication.&lt;/strong&gt; Baltimore, Md. 10/21/2021."None>Gross (2021)</a> mapped the SLC45A2 gene to chromosome 5p13.2 based on an alignment of the SLC45A2 sequence (GenBank <a href="https://www.ncbi.nlm.nih.gov/search/all/?term=AF172849" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'GENBANK\', \'domain\': \'ncbi.nlm.nih.gov\'})">AF172849</a>) with the genomic sequence (GRCh38).</p>
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<a id="evolution" class="mim-anchor"></a>
<h4 href="#mimEvolutionFold" id="mimEvolutionToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<strong>Evolution</strong>
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<p><a href="#15" class="mim-tip-reference" title="Sabeti, P. C., Varilly, P., Fry, B., Lohmueller, J., Hostetter, E., Cotsapas, C., Xie, X., Byrne, E. H., McCarroll, S. A., Gaudet, R., Schaffner, S. F., Lander, E. S., International HapMap Consortium. &lt;strong&gt;Genome-wide detection and characterization of positive selection in human populations.&lt;/strong&gt; Nature 449: 913-918, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17943131/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;17943131&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=17943131[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/nature06250&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="17943131">Sabeti et al. (2007)</a> reported an analysis of over 3 million polymorphisms from the International HapMap Project Phase 2. The analysis revealed more than 300 strong candidate regions that appeared to have undergone recent natural selection. Examination of 22 of the strongest regions highlighted 3 cases in which 2 genes in a common biologic process had apparently undergone positive selection in the same population: LARGE (<a href="/entry/603590">603590</a>) and DMD (<a href="/entry/300377">300377</a>), both related to infection by the Lassa virus, in West Africa; SLC24A5 (<a href="/entry/609802">609802</a>) and SLC45A2, both involved in skin pigmentation, in Europe; and EDAR (<a href="/entry/604095">604095</a>) and EDA2R (<a href="/entry/300276">300276</a>), both involved in the development of hair follicles, in Asia. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17943131" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="molecularGenetics" class="mim-anchor"></a>
<h4 href="#mimMolecularGeneticsFold" id="mimMolecularGeneticsToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<strong>Molecular Genetics</strong>
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</h4>
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<p><strong><em>Oculocutaneous Albinism Type IV</em></strong></p><p>
In a Turkish patient with oculocutaneous albinism type IV (OCA4; <a href="/entry/606574">606574</a>), <a href="#13" class="mim-tip-reference" title="Newton, J. M., Cohen-Barak, O., Hagiwara, N., Gardner, J. M., Davisson, M. T., King, R. A., Brilliant, M. H. &lt;strong&gt;Mutations in the human orthologue of the mouse underwhite gene (uw) underlie a new form of oculocutaneous albinism, OCA4.&lt;/strong&gt; Am. J. Hum. Genet. 69: 981-988, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11574907/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11574907&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=11574907[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/324340&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="11574907">Newton et al. (2001)</a> identified a homozygous mutation in the MATP gene (<a href="#0001">606202.0001</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11574907" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#14" class="mim-tip-reference" title="Rundshagen, U., Zuhlke, C., Opitz, S., Schwinger, E., Kasmann-Kellner, B. &lt;strong&gt;Mutations in the MATP gene in five German patients affected by oculocutaneous albinism type 4.&lt;/strong&gt; Hum. Mutat. 23: 106-110, 2004.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/14722913/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;14722913&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.10311&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="14722913">Rundshagen et al. (2004)</a> screened 176 German patients with albinism for mutations in the MATP gene; in 5, they identified homozygous or compound heterozygous mutations (see <a href="#0002">606202.0002</a>-<a href="#0005">606202.0005</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=14722913" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p>In 18 of 75 (24%) Japanese patients with OCA, <a href="#11" class="mim-tip-reference" title="Inagaki, K., Suzuki, T., Shimizu, H., Ishii, N., Umezawa, Y., Tada, J., Kikuchi, N., Takata, M., Takamori, K., Kishibe, M., Tanaka, M., Miyamura, Y., Ito, S., Tomita, Y. &lt;strong&gt;Oculocutaneous albinism type 4 is one of the most common types of albinism in Japan.&lt;/strong&gt; Am. J. Hum. Genet. 74: 466-471, 2004.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/14961451/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;14961451&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/382195&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="14961451">Inagaki et al. (2004)</a> identified 7 mutations in the MATP gene (see, e.g., <a href="#0006">606202.0006</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=14961451" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><strong><em>Normal Pigment Variation</em></strong></p><p>
Studying Caucasians, Asians, African Americans, and Australian Aborigines, <a href="#5" class="mim-tip-reference" title="Graf, J., Hodgson, R., van Daal, A. &lt;strong&gt;Single nucleotide polymorphisms in the MATP gene are associated with normal human pigmentation variation.&lt;/strong&gt; Hum. Mutat. 25: 278-284, 2005.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/15714523/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;15714523&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.20143&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="15714523">Graf et al. (2005)</a> found association particularly with 2 polymorphisms, G272K (<a href="#0007">606202.0007</a>) and F374L (<a href="#0008">606202.0008</a>), with normal variation in human pigmentation (SHEP5; <a href="/entry/227240">227240</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=15714523" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#6" class="mim-tip-reference" title="Graf, J., Voisey, J., Hughes, I., van Daal, A. &lt;strong&gt;Promoter polymorphisms in the MATP (SLC45A2) gene are associated with normal human skin color variation.&lt;/strong&gt; Hum. Mutat. 28: 710-717, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17358008/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;17358008&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.20504&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="17358008">Graf et al. (2007)</a> examined the association between normal skin color variation in several populations and 3 different promoter polymorphisms in the MATP gene: -1721C-G (<a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs13289;toggle_HGVS_names=open" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'dbSNP\', \'domain\': \'ensembl.org\'})">rs13289</a>), -1169G-A (<a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs6867641;toggle_HGVS_names=open" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'dbSNP\', \'domain\': \'ensembl.org\'})">rs6867641</a>), and a 3-bp duplication, -1174dupAAT. In Caucasian samples, -1721C-G and -1174dupAAT were in complete linkage disequilibrium. In Caucasians only, the -1721G, -1169A, and +dup alleles were significantly associated with olive skin color. Functional analysis in melanoma skin cells showed that this promoter haplotype decreased MATP transcription, suggesting a functional significance. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17358008" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#17" class="mim-tip-reference" title="Stokowski, R. P., Pant, P. V. K., Dadd, T., Fereday, A., Hinds, D. A., Jarman, C., Filsell, W., Ginger, R. S., Green, M. R., van der Ouderaa, F. J., Cox, D. R. &lt;strong&gt;A genomewide association study of skin pigmentation in a South Asian population.&lt;/strong&gt; Am. J. Hum. Genet. 81: 1119-1132, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17999355/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;17999355&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=17999355[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/522235&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="17999355">Stokowski et al. (2007)</a> demonstrated an association between the SNP <a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs16891982;toggle_HGVS_names=open" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'dbSNP\', \'domain\': \'ensembl.org\'})">rs16891982</a> (F374L; <a href="#0008">606202.0008</a>) and skin pigmentation variation in individuals of South Asian descent. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17999355" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<div>
<a id="animalModel" class="mim-anchor"></a>
<h4 href="#mimAnimalModelFold" id="mimAnimalModelToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<strong>Animal Model</strong>
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<div id="mimAnimalModelFold" class="collapse in mimTextToggleFold">
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<p><a href="#13" class="mim-tip-reference" title="Newton, J. M., Cohen-Barak, O., Hagiwara, N., Gardner, J. M., Davisson, M. T., King, R. A., Brilliant, M. H. &lt;strong&gt;Mutations in the human orthologue of the mouse underwhite gene (uw) underlie a new form of oculocutaneous albinism, OCA4.&lt;/strong&gt; Am. J. Hum. Genet. 69: 981-988, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11574907/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11574907&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=11574907[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/324340&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="11574907">Newton et al. (2001)</a> and <a href="#2" class="mim-tip-reference" title="Du, J., Fisher, D. E. &lt;strong&gt;Identification of Aim-1 as the underwhite mouse mutant and its transcriptional regulation by MITF.&lt;/strong&gt; J. Biol. Chem. 277: 402-406, 2002.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11700328/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11700328&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1074/jbc.M110229200&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="11700328">Du and Fisher (2002)</a> determined that mutations in the mouse Matp gene underlie the underwhite (uw) pigmentation phenotype. Underwhite alleles manifest altered pigmentation of both eye and fur, sometimes in an age-dependent fashion. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=11574907+11700328" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#18" class="mim-tip-reference" title="Xu, X., Dong, G.-X., Hu, X.-S., Miao, L., Zhang, X.-L., Zhang, D.-L., Yang, H.-D., Zhang, T.-Y., Zou, Z.-T., Zhang, T.-T., Zhuang, Y., Bhak, J., Cho, Y. S., Dai, W.-T., Jiang, T.-J., Xie, C., Li, R., Luo, S.-J. &lt;strong&gt;The genetic basis of white tigers.&lt;/strong&gt; Curr. Biol. 23: 1031-1035, 2013.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/23707431/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;23707431&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/j.cub.2013.04.054&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="23707431">Xu et al. (2013)</a> found that white tigers, characterized by white fur and dark stripes, are homozygous for a C-to-T transition in exon 7 of the Slc45a2 gene, resulting in an ala477-to-val (A477V) substitution in transmembrane domain 11. Homology modeling suggested that A477 faces the inner surface of the transporter cavity and that its mutation may hinder substrate transport. <a href="#18" class="mim-tip-reference" title="Xu, X., Dong, G.-X., Hu, X.-S., Miao, L., Zhang, X.-L., Zhang, D.-L., Yang, H.-D., Zhang, T.-Y., Zou, Z.-T., Zhang, T.-T., Zhuang, Y., Bhak, J., Cho, Y. S., Dai, W.-T., Jiang, T.-J., Xie, C., Li, R., Luo, S.-J. &lt;strong&gt;The genetic basis of white tigers.&lt;/strong&gt; Curr. Biol. 23: 1031-1035, 2013.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/23707431/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;23707431&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/j.cub.2013.04.054&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="23707431">Xu et al. (2013)</a> hypothesized that Slc45a2 may be a sucrose/proton symporter that regulates organellar pH and/or osmotic balance for synthesis of red/yellow pheomelanin, with little or no effect on the synthesis of black eumelanin. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=23707431" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="allelicVariants" class="mim-anchor"></a>
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<span href="#mimAllelicVariantsFold" id="mimAllelicVariantsToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
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<strong>ALLELIC VARIANTS (<a href="/help/faq#1_4"></strong>
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<strong>9 Selected Examples</a>):</strong>
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<a href="/allelicVariants/606202" class="btn btn-default" role="button"> Table View </a>
&nbsp;&nbsp;<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=606202[MIM]" class="btn btn-default mim-tip-hint" role="button" title="ClinVar aggregates information about sequence variation and its relationship to human health." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">ClinVar</a>
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<a id="0001" class="mim-anchor"></a>
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<strong>.0001&nbsp;OCULOCUTANEOUS ALBINISM, TYPE IV</strong>
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SLC45A2, IVS2, G-A, -1
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown">rs730880270 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs730880270;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs730880270" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs730880270" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
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<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000004756" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000004756" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000004756</a>
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<p>In a Turkish patient with oculocutaneous albinism type IV (OCA4; <a href="/entry/606574">606574</a>), whose generalized hypopigmentation and ocular abnormalities were relatively mild, <a href="#13" class="mim-tip-reference" title="Newton, J. M., Cohen-Barak, O., Hagiwara, N., Gardner, J. M., Davisson, M. T., King, R. A., Brilliant, M. H. &lt;strong&gt;Mutations in the human orthologue of the mouse underwhite gene (uw) underlie a new form of oculocutaneous albinism, OCA4.&lt;/strong&gt; Am. J. Hum. Genet. 69: 981-988, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11574907/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;11574907&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=11574907[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/324340&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="11574907">Newton et al. (2001)</a> identified a homozygous G-to-A transition in the splice acceptor sequence of exon 2 of the SLC45A2 gene. The patient's parents were heterozygous for this mutation. The authors noted that the mutation likely results in the in-frame deletion of exon 2, which codes for transmembrane domain-4, and would result in a change in the orientation of transmembrane domains 5-12 relative to the membrane. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11574907" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="0002" class="mim-anchor"></a>
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<strong>.0002&nbsp;OCULOCUTANEOUS ALBINISM, TYPE IV</strong>
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SLC45A2, LEU361PRO
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs121912619 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs121912619;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://gnomad.broadinstitute.org/variant/rs121912619?dataset=gnomad_r2_1" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'gnomad.broadinstitute.org'})" style="padding-left: 8px;"><span class="text-primary">&#x25cf;</span> gnomAD</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs121912619" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs121912619" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
<span class="mim-text-font">
<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000004757 OR RCV000178964 OR RCV004755709 OR RCV005041981" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000004757, RCV000178964, RCV004755709, RCV005041981" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000004757...</a>
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<p>In a German patient with oculocutaneous albinism type IV (OCA4; <a href="/entry/606574">606574</a>), <a href="#14" class="mim-tip-reference" title="Rundshagen, U., Zuhlke, C., Opitz, S., Schwinger, E., Kasmann-Kellner, B. &lt;strong&gt;Mutations in the MATP gene in five German patients affected by oculocutaneous albinism type 4.&lt;/strong&gt; Hum. Mutat. 23: 106-110, 2004.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/14722913/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;14722913&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.10311&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="14722913">Rundshagen et al. (2004)</a> identified a homozygous 1082T-C transition in exon 5 of the MATP gene, resulting in a leu361-to-pro (L361P) change. Each parent was heterozygous for the mutation. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=14722913" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>.0003&nbsp;OCULOCUTANEOUS ALBINISM, TYPE IV</strong>
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SLC45A2, 1-BP DEL, 986C
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&nbsp;&nbsp;
<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs387906317 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs387906317;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://gnomad.broadinstitute.org/variant/rs387906317?dataset=gnomad_r2_1" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'gnomad.broadinstitute.org'})" style="padding-left: 8px;"><span class="text-primary">&#x25cf;</span> gnomAD</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs387906317" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs387906317" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
<span class="mim-text-font">
<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000004758 OR RCV000724498 OR RCV004566683" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000004758, RCV000724498, RCV004566683" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000004758...</a>
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<p>In 2 German patients with oculocutaneous albinism type IV (OCA4; <a href="/entry/606574">606574</a>), <a href="#14" class="mim-tip-reference" title="Rundshagen, U., Zuhlke, C., Opitz, S., Schwinger, E., Kasmann-Kellner, B. &lt;strong&gt;Mutations in the MATP gene in five German patients affected by oculocutaneous albinism type 4.&lt;/strong&gt; Hum. Mutat. 23: 106-110, 2004.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/14722913/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;14722913&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.10311&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="14722913">Rundshagen et al. (2004)</a> identified a 1-bp deletion in exon 4 of the MATP gene, 986delC, resulting in a frameshift at codon 329 and a translation stop in exon 6. In each patient the frameshift mutation was present in compound heterozygous state: in one patient with a 3-bp deletion (nucleotides 661-663), resulting in deletion of phe221 (<a href="#0004">606202.0004</a>), and in the other with an A486V mutation (<a href="#0005">606202.0005</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=14722913" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="0004" class="mim-anchor"></a>
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<strong>.0004&nbsp;OCULOCUTANEOUS ALBINISM, TYPE IV</strong>
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<span class="mim-text-font">
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SLC45A2, 3-BP DEL
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&nbsp;&nbsp;
<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown">rs387906318 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs387906318;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs387906318" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs387906318" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
<span class="mim-text-font">
<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000004759 OR RCV002512770" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000004759, RCV002512770" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000004759...</a>
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<p>For discussion of the 3-bp deletion (361_363del) in the MATP gene that was found in compound heterozygous state in a patient with oculocutaneous albinism type IV (OCA4; <a href="/entry/606574">606574</a>) by <a href="#14" class="mim-tip-reference" title="Rundshagen, U., Zuhlke, C., Opitz, S., Schwinger, E., Kasmann-Kellner, B. &lt;strong&gt;Mutations in the MATP gene in five German patients affected by oculocutaneous albinism type 4.&lt;/strong&gt; Hum. Mutat. 23: 106-110, 2004.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/14722913/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;14722913&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.10311&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="14722913">Rundshagen et al. (2004)</a>, see <a href="#0003">606202.0003</a>. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=14722913" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="0005" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>.0005&nbsp;OCULOCUTANEOUS ALBINISM, TYPE IV</strong>
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</h4>
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SLC45A2, ALA486VAL
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</span>
&nbsp;&nbsp;
<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs121912620 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs121912620;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://gnomad.broadinstitute.org/variant/rs121912620?dataset=gnomad_r2_1" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'gnomad.broadinstitute.org'})" style="padding-left: 8px;"><span class="text-primary">&#x25cf;</span> gnomAD</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs121912620" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs121912620" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
<span class="mim-text-font">
<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000004760 OR RCV001851652" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000004760, RCV001851652" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000004760...</a>
</span>
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<div>
<span class="mim-text-font">
<p>For discussion of the ala486-to-val (A486V) mutation in the MATP gene that was found in compound heterozygous state in a patient with oculocutaneous albinism type IV (OCA4; <a href="/entry/606574">606574</a>) by <a href="#14" class="mim-tip-reference" title="Rundshagen, U., Zuhlke, C., Opitz, S., Schwinger, E., Kasmann-Kellner, B. &lt;strong&gt;Mutations in the MATP gene in five German patients affected by oculocutaneous albinism type 4.&lt;/strong&gt; Hum. Mutat. 23: 106-110, 2004.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/14722913/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;14722913&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.10311&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="14722913">Rundshagen et al. (2004)</a>, see <a href="#0003">606202.0003</a>. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=14722913" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
</span>
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<div>
<br />
</div>
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<div>
<div>
<a id="0006" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>.0006&nbsp;OCULOCUTANEOUS ALBINISM, TYPE IV</strong>
</span>
</h4>
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<div>
<span class="mim-text-font">
<div style="float: left;">
SLC45A2, ASP157ASN
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</span>
&nbsp;&nbsp;
<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs121912621 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs121912621;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://gnomad.broadinstitute.org/variant/rs121912621?dataset=gnomad_r2_1" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'gnomad.broadinstitute.org'})" style="padding-left: 8px;"><span class="text-primary">&#x25cf;</span> gnomAD</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs121912621" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs121912621" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
<span class="mim-text-font">
<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000004761 OR RCV001781183" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000004761, RCV001781183" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000004761...</a>
</span>
</div>
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<p>In 2 Japanese patients with oculocutaneous albinism type IV (OCA4; <a href="/entry/606574">606574</a>), <a href="#11" class="mim-tip-reference" title="Inagaki, K., Suzuki, T., Shimizu, H., Ishii, N., Umezawa, Y., Tada, J., Kikuchi, N., Takata, M., Takamori, K., Kishibe, M., Tanaka, M., Miyamura, Y., Ito, S., Tomita, Y. &lt;strong&gt;Oculocutaneous albinism type 4 is one of the most common types of albinism in Japan.&lt;/strong&gt; Am. J. Hum. Genet. 74: 466-471, 2004.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/14961451/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;14961451&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/382195&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="14961451">Inagaki et al. (2004)</a> identified homozygosity for a G-to-A transition in exon 2 of the MATP gene, resulting in an asp157-to-asn (D157N) substitution. The mutation occurs at the first residue in the second cytoplasmic loop of the protein. Ten other patients had 1 D157N mutant allele; the allele frequency of D157N in all patients with OCA4 was 0.39, indicating that it is the most common mutant allele in Japanese patients with OCA4. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=14961451" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#10" class="mim-tip-reference" title="Inagaki, K., Suzuki, T., Ito, S., Suzuki, N., Fukai, K., Horiuchi, T., Tanaka, T., Manabe, E., Tomita, Y. &lt;strong&gt;OCA4: evidence for a founder effect for the p.D157N mutation of the MATP gene in Japanese and Korean.&lt;/strong&gt; Pigment Cell Res. 18: 385-388, 2005.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16162179/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;16162179&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1111/j.1600-0749.2005.00261.x&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="16162179">Inagaki et al. (2005)</a> investigated the haplotypes of 20 alleles carrying the D157N mutation from 1 Korean and 21 Japanese OCA4 patients and found 1 Korean and 12 Japanese alleles to be associated with so-called 'haplotype 15' (G-A-G-A-G), consistent with a founder effect for the D157N mutation in East Asia. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=16162179" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>.0007&nbsp;SKIN/HAIR/EYE PIGMENTATION 5, BLACK/NONBLACK HAIR</strong>
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SKIN/HAIR/EYE PIGMENTATION 5, DARK/FAIR SKIN, INCLUDED<br />
SKIN/HAIR/EYE PIGMENTATION 5, DARK/LIGHT EYES, INCLUDED
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SLC45A2, GLU272LYS
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs26722 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs26722;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://gnomad.broadinstitute.org/variant/rs26722?dataset=gnomad_r2_1" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'gnomad.broadinstitute.org'})" style="padding-left: 8px;"><span class="text-primary">&#x25cf;</span> gnomAD</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs26722" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs26722" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
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<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000004762 OR RCV000354755 OR RCV001514374 OR RCV003891429" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000004762, RCV000354755, RCV001514374, RCV003891429" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000004762...</a>
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<p>In Caucasians, <a href="#5" class="mim-tip-reference" title="Graf, J., Hodgson, R., van Daal, A. &lt;strong&gt;Single nucleotide polymorphisms in the MATP gene are associated with normal human pigmentation variation.&lt;/strong&gt; Hum. Mutat. 25: 278-284, 2005.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/15714523/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;15714523&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.20143&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="15714523">Graf et al. (2005)</a> found a significant association between 2 polymorphisms of the MATP gene, an 814G-A transition resulting in a glu272-to-lys substitution (G272K) and a 1122C-G transversion resulting in a phe374-to-leu substitution (F374L; <a href="#0008">606202.0008</a>). The 2 alleles, leu374 and lys272, were significantly associated with dark hair, skin, and eye color in Caucasians (SHEP5; <a href="/entry/227240">227240</a>). The odds ratios of the leu/leu genotype for black hair and olive skin were 25.63 and 28.65, respectively, and for the lys/lys genotype were 43.23 and 8.27, respectively. The odds ratio for eye color was lower at 3.48 for the leu/leu and 6.57 for the lys/lys genotypes. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=15714523" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="0008" class="mim-anchor"></a>
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<strong>.0008&nbsp;SKIN/HAIR/EYE PIGMENTATION 5, BLACK/NONBLACK HAIR</strong>
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SKIN/HAIR/EYE PIGMENTATION 5, DARK/FAIR SKIN, INCLUDED<br />
SKIN/HAIR/EYE PIGMENTATION 5, DARK/LIGHT EYES, INCLUDED
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SLC45A2, PHE374LEU
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs16891982 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs16891982;toggle_HGVS_names=open" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'ensembl.org'})">Ensembl</a></li> <li><a href="https://gnomad.broadinstitute.org/variant/rs16891982?dataset=gnomad_r2_1" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'gnomad.broadinstitute.org'})" style="padding-left: 8px;"><span class="text-primary">&#x25cf;</span> gnomAD</a></li> <li><a href="https://www.ncbi.nlm.nih.gov/snp/?term=rs16891982" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'www.ncbi.nlm.nih.gov'})">NCBI</a></li> <li><a href="https://genome.ucsc.edu/cgi-bin/hgTracks?org=Human&db=hg38&clinvar=pack&omimAvSnp=pack&position=rs16891982" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
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<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000004763 OR RCV000022392 OR RCV000948184" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000004763, RCV000022392, RCV000948184" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000004763...</a>
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<p>For discussion of the phe374-to-leu (F374L) mutation in the MATP gene that was found in compound heterozygous state in Caucasian individuals with dark hair, skin, and eye color (SHEP5; <a href="/entry/227240">227240</a>) by <a href="#5" class="mim-tip-reference" title="Graf, J., Hodgson, R., van Daal, A. &lt;strong&gt;Single nucleotide polymorphisms in the MATP gene are associated with normal human pigmentation variation.&lt;/strong&gt; Hum. Mutat. 25: 278-284, 2005.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/15714523/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;15714523&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.20143&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="15714523">Graf et al. (2005)</a>, see <a href="#0007">606202.0007</a>. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=15714523" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#19" class="mim-tip-reference" title="Yuasa, I., Umetsu, K., Harihara, S., Kido, A., Miyoshi, A., Saitou, N., Dashnyam, B., Jin, F., Lucotte, G., Chattopadhyay, P. K., Henke, L., Henke, J. &lt;strong&gt;Distribution of the F374 allele of the SLC45A2 (MATP) gene and founder-haplotype analysis.&lt;/strong&gt; Ann. Hum. Genet. 70: 802-811, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17044855/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;17044855&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1111/j.1469-1809.2006.00261.x&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="17044855">Yuasa et al. (2006)</a>, who referred to this polymorphism as L374F, studied the distribution of the F374 allele in 1,649 unrelated subjects from 13 Eurasian populations and 1 African population. The highest allele frequency was observed in Germans (0.965); French and Italians showed somewhat lower frequencies; and Turks had an intermediate value (0.615). Indians and Bangladeshis from South Asia were characterized by low frequencies (0.147 and 0.059, respectively). They also found the F374 allele in some East and Southeast Asian populations, and explained this by admixture. Haplotype analysis revealed that the haplotype diversity was much lower in Germans than in Japanese, suggesting that the L374F mutation occurred only once in the ancestry of Caucasians. The large differences in distribution of the F374 allele and its haplotype suggested that this allele may be an important factor in hypopigmentation in Caucasian populations. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17044855" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p>In a genomewide association study of skin pigmentation variation (SHEP5; <a href="/entry/227240">227240</a>) using 1,620,742 SNPs in a population of 737 individuals of South Asian ancestry living in the United Kingdom, <a href="#17" class="mim-tip-reference" title="Stokowski, R. P., Pant, P. V. K., Dadd, T., Fereday, A., Hinds, D. A., Jarman, C., Filsell, W., Ginger, R. S., Green, M. R., van der Ouderaa, F. J., Cox, D. R. &lt;strong&gt;A genomewide association study of skin pigmentation in a South Asian population.&lt;/strong&gt; Am. J. Hum. Genet. 81: 1119-1132, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17999355/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;17999355&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=17999355[PMID]&amp;report=imagesdocsum&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed Image&#x27;, &#x27;domain&#x27;: &#x27;ncbi.nlm.nih.gov&#x27;})&quot;&gt;images&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1086/522235&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="17999355">Stokowski et al. (2007)</a> found association of the SLC45A2 SNP <a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs16891982;toggle_HGVS_names=open" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'dbSNP\', \'domain\': \'ensembl.org\'})">rs16891982</a> (L374F) with skin pigmentation. The association was replicated in a second independent cohort of 235 individuals. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17999355" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#16" class="mim-tip-reference" title="Stacey, S. N., Sulem, P., Masson, G., Gudjonsson, S. A., Thorleifsson, G., Jakobsdottir, M., Sigurdsson, A., Gudjartsson, D. F., Sigurgeirsson, B., Benediktsdottir, K. R., Thorisdottir, K., Ragnarsson, R., and 52 others. &lt;strong&gt;New common variants affecting susceptibility to basal cell carcinoma.&lt;/strong&gt; Nature Genet. 41: 909-914, 2009.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/19578363/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;19578363&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1038/ng.412&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="19578363">Stacey et al. (2009)</a> confirmed the association of the <a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs16891982;toggle_HGVS_names=open" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'dbSNP\', \'domain\': \'ensembl.org\'})">rs16891982</a> variant with fair pigmentation and found association of this SNP with susceptibility to basal cell carcinoma in 3,326 basal cell carcinoma cases and 5,493 controls of European ancestry (odds ratio = 1.97, P = 1.6 x 10(-12)). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=19578363" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#8" class="mim-tip-reference" title="Guedj, M., Bourillon, A., Combadieres, C., Rodero, M., Dieude, P., Descamps, V., Dupin, N., Wolkenstein, P., Aegerter, P., Lebbe, C., Basset-Seguin, N., Prum, B., Saiag, P., Grandchamp, B., Soufir, N. &lt;strong&gt;Variants of the MATP/SLC45A2 gene are protective for melanoma in the French population.&lt;/strong&gt; Hum. Mutat. 29: 1154-1160, 2008.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/18683857/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;18683857&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.20823&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="18683857">Guedj et al. (2008)</a> analyzed the F374L variant in 1,019 Caucasian melanoma patients (see <a href="/entry/155600">155600</a>) and 1,466 Caucasian controls and found an association for protection from melanoma (p = 2.12 x 10(-15); odds ratio = 0.35 and 0.32 for the F/L and F/F genotypes, respectively). The association remained significant in a logistic model integrating pigmentation characteristics (p = 4.16 x 10(-3)). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=18683857" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p>In a Spanish case-control study involving 131 consecutive melanoma patients and 245 controls, <a href="#3" class="mim-tip-reference" title="Fernandez, L. P., Milne, R. L., Pita, G., Aviles, J. A., Lazaro, P., Benitez, J., Ribas, G. &lt;strong&gt;SLC45A2: a novel malignant melanoma-associated gene.&lt;/strong&gt; Hum. Mutat. 29: 1161-1167, 2008.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/18563784/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;18563784&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.20804&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="18563784">Fernandez et al. (2008)</a> found the F374L variant of the SLC45A2 gene to be associated with protection from malignant melanoma (odds ratio = 0.41; p = 0.008 after adjustment for multiple testing). Adjustment for 6 potential confounders (age, blond/red hair color, fair/pale skin color, solar lentigines, number of nevi, and the presence of childhood sunburn) reduced the estimated degree of protection (odds ratio = 0.56; p = 0.08), reflecting their likely participation in the causal pathway. Only blond/red hair color and childhood sunburns were independently associated with risk of malignant melanoma; adjustment for those 2 covariates gave an estimated per allele odds ratio of 0.55 (p = 0.05) for the F374L variant. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=18563784" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="0009" class="mim-anchor"></a>
<h4>
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<strong>.0009&nbsp;OCULOCUTANEOUS ALBINISM, TYPE IV</strong>
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SLC45A2, 1-BP DEL, 1121T
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<p>In 2 Brazilian sibs with oculocutaneous albinism type IV (OCA4; <a href="/entry/606574">606574</a>), <a href="#12" class="mim-tip-reference" title="Lezirovitz, K., Nicastro, F. S., Pardono, E., Abreu-Silva, R. S., Batissoco, A. C., Neustein, I., Spinelli, M., Mingroni-Netto, R. C. &lt;strong&gt;Is autosomal recessive deafness associated with oculocutaneous albinism a &#x27;coincidence syndrome&#x27;?&lt;/strong&gt; J. Hum. Genet. 51: 716-720, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16868655/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;16868655&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1007/s10038-006-0003-7&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="16868655">Lezirovitz et al. (2006)</a> identified a homozygous 1-bp deletion (1121delT) in exon 5 of the MATP gene, resulting in a frameshift and premature termination of the protein at codon 397. One of the affected sibs also had sensorineural deafness (DFNB1; <a href="/entry/220290">220290</a>) associated with a homozygous mutation in the GJB2 gene (<a href="/entry/121011#0005">121011.0005</a>). <a href="#12" class="mim-tip-reference" title="Lezirovitz, K., Nicastro, F. S., Pardono, E., Abreu-Silva, R. S., Batissoco, A. C., Neustein, I., Spinelli, M., Mingroni-Netto, R. C. &lt;strong&gt;Is autosomal recessive deafness associated with oculocutaneous albinism a &#x27;coincidence syndrome&#x27;?&lt;/strong&gt; J. Hum. Genet. 51: 716-720, 2006.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/16868655/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;16868655&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1007/s10038-006-0003-7&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="16868655">Lezirovitz et al. (2006)</a> concluded that congenital deafness and oculocutaneous albinism due to mutations in 2 different genes as seen in their Brazilian family suggested a similar coincident inheritance of 2 separate recessive disorders in the Sephardic family reported by <a href="#20" class="mim-tip-reference" title="Ziprkowski, L., Adam, A. &lt;strong&gt;Recessive total albinism and congenital deafmutism.&lt;/strong&gt; Arch. Derm. 89: 151-155, 1964.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/14070830/&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;name&#x27;: &#x27;PubMed&#x27;, &#x27;domain&#x27;: &#x27;pubmed.ncbi.nlm.nih.gov&#x27;})&quot;&gt;14070830&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1001/archderm.1964.01590250157028&quot; target=&quot;_blank&quot; onclick=&quot;gtag(&#x27;event&#x27;, &#x27;mim_outbound&#x27;, {&#x27;destination&#x27;: &#x27;Publisher&#x27;})&quot;&gt;Full Text&lt;/a&gt;]" pmid="14070830">Ziprkowski and Adam (1964)</a> (see <a href="/entry/220900">220900</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?term=16868655+14070830" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<strong>REFERENCES</strong>
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Bartolke, R., Heinisch, J. J., Wieczorek, H., Vitavska, O.
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[<a href="https://doi.org/10.1042/BJ20140572" target="_blank">Full Text</a>]
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<a id="Du2002" class="mim-anchor"></a>
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Du, J., Fisher, D. E.
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[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/11700328/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">11700328</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11700328" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1074/jbc.M110229200" target="_blank">Full Text</a>]
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<a id="Fernandez2008" class="mim-anchor"></a>
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Fernandez, L. P., Milne, R. L., Pita, G., Aviles, J. A., Lazaro, P., Benitez, J., Ribas, G.
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[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/18563784/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">18563784</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=18563784" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/humu.20804" target="_blank">Full Text</a>]
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<a id="Fukamachi2001" class="mim-anchor"></a>
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<p class="mim-text-font">
Fukamachi, S., Shimada, A., Shima, A.
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Nature Genet. 28: 381-385, 2001.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/11479596/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">11479596</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11479596" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1038/ng584" target="_blank">Full Text</a>]
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<a id="Graf2005" class="mim-anchor"></a>
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<p class="mim-text-font">
Graf, J., Hodgson, R., van Daal, A.
<strong>Single nucleotide polymorphisms in the MATP gene are associated with normal human pigmentation variation.</strong>
Hum. Mutat. 25: 278-284, 2005.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/15714523/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">15714523</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=15714523" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/humu.20143" target="_blank">Full Text</a>]
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<a id="6" class="mim-anchor"></a>
<a id="Graf2007" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Graf, J., Voisey, J., Hughes, I., van Daal, A.
<strong>Promoter polymorphisms in the MATP (SLC45A2) gene are associated with normal human skin color variation.</strong>
Hum. Mutat. 28: 710-717, 2007.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/17358008/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">17358008</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17358008" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/humu.20504" target="_blank">Full Text</a>]
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<a id="Gross2021" class="mim-anchor"></a>
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Gross, M. B.
<strong>Personal Communication.</strong>
Baltimore, Md. 10/21/2021.
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<a id="Guedj2008" class="mim-anchor"></a>
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Guedj, M., Bourillon, A., Combadieres, C., Rodero, M., Dieude, P., Descamps, V., Dupin, N., Wolkenstein, P., Aegerter, P., Lebbe, C., Basset-Seguin, N., Prum, B., Saiag, P., Grandchamp, B., Soufir, N.
<strong>Variants of the MATP/SLC45A2 gene are protective for melanoma in the French population.</strong>
Hum. Mutat. 29: 1154-1160, 2008.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/18683857/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">18683857</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=18683857" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/humu.20823" target="_blank">Full Text</a>]
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<a id="Harada2001" class="mim-anchor"></a>
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Harada, M., Li, Y. F., El-Gamil, M., Rosenberg, S. A., Robbins, P. F.
<strong>Use of an in vitro immunoselected tumor line to identify shared melanoma antigens recognized by HLA-A*0201-restricted T cells.</strong>
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[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/11221837/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">11221837</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11221837" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
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<a id="Inagaki2005" class="mim-anchor"></a>
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Inagaki, K., Suzuki, T., Ito, S., Suzuki, N., Fukai, K., Horiuchi, T., Tanaka, T., Manabe, E., Tomita, Y.
<strong>OCA4: evidence for a founder effect for the p.D157N mutation of the MATP gene in Japanese and Korean.</strong>
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[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/16162179/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">16162179</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=16162179" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1111/j.1600-0749.2005.00261.x" target="_blank">Full Text</a>]
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<a id="11" class="mim-anchor"></a>
<a id="Inagaki2004" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Inagaki, K., Suzuki, T., Shimizu, H., Ishii, N., Umezawa, Y., Tada, J., Kikuchi, N., Takata, M., Takamori, K., Kishibe, M., Tanaka, M., Miyamura, Y., Ito, S., Tomita, Y.
<strong>Oculocutaneous albinism type 4 is one of the most common types of albinism in Japan.</strong>
Am. J. Hum. Genet. 74: 466-471, 2004.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/14961451/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">14961451</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=14961451" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1086/382195" target="_blank">Full Text</a>]
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<a id="Lezirovitz2006" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Lezirovitz, K., Nicastro, F. S., Pardono, E., Abreu-Silva, R. S., Batissoco, A. C., Neustein, I., Spinelli, M., Mingroni-Netto, R. C.
<strong>Is autosomal recessive deafness associated with oculocutaneous albinism a 'coincidence syndrome'?</strong>
J. Hum. Genet. 51: 716-720, 2006.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/16868655/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">16868655</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=16868655" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1007/s10038-006-0003-7" target="_blank">Full Text</a>]
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<a id="Newton2001" class="mim-anchor"></a>
<div class="">
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Newton, J. M., Cohen-Barak, O., Hagiwara, N., Gardner, J. M., Davisson, M. T., King, R. A., Brilliant, M. H.
<strong>Mutations in the human orthologue of the mouse underwhite gene (uw) underlie a new form of oculocutaneous albinism, OCA4.</strong>
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[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/11574907/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">11574907</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=11574907[PMID]&report=imagesdocsum" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Image', 'domain': 'ncbi.nlm.nih.gov'})">images</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11574907" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1086/324340" target="_blank">Full Text</a>]
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<a id="Rundshagen2004" class="mim-anchor"></a>
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<p class="mim-text-font">
Rundshagen, U., Zuhlke, C., Opitz, S., Schwinger, E., Kasmann-Kellner, B.
<strong>Mutations in the MATP gene in five German patients affected by oculocutaneous albinism type 4.</strong>
Hum. Mutat. 23: 106-110, 2004.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/14722913/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">14722913</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=14722913" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/humu.10311" target="_blank">Full Text</a>]
</p>
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<a id="Sabeti2007" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Sabeti, P. C., Varilly, P., Fry, B., Lohmueller, J., Hostetter, E., Cotsapas, C., Xie, X., Byrne, E. H., McCarroll, S. A., Gaudet, R., Schaffner, S. F., Lander, E. S., International HapMap Consortium.
<strong>Genome-wide detection and characterization of positive selection in human populations.</strong>
Nature 449: 913-918, 2007.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/17943131/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">17943131</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=17943131[PMID]&report=imagesdocsum" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Image', 'domain': 'ncbi.nlm.nih.gov'})">images</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17943131" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1038/nature06250" target="_blank">Full Text</a>]
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<a id="Stacey2009" class="mim-anchor"></a>
<div class="">
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Stacey, S. N., Sulem, P., Masson, G., Gudjonsson, S. A., Thorleifsson, G., Jakobsdottir, M., Sigurdsson, A., Gudjartsson, D. F., Sigurgeirsson, B., Benediktsdottir, K. R., Thorisdottir, K., Ragnarsson, R., and 52 others.
<strong>New common variants affecting susceptibility to basal cell carcinoma.</strong>
Nature Genet. 41: 909-914, 2009.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/19578363/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">19578363</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=19578363" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1038/ng.412" target="_blank">Full Text</a>]
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<a id="Stokowski2007" class="mim-anchor"></a>
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Stokowski, R. P., Pant, P. V. K., Dadd, T., Fereday, A., Hinds, D. A., Jarman, C., Filsell, W., Ginger, R. S., Green, M. R., van der Ouderaa, F. J., Cox, D. R.
<strong>A genomewide association study of skin pigmentation in a South Asian population.</strong>
Am. J. Hum. Genet. 81: 1119-1132, 2007.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/17999355/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">17999355</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=17999355[PMID]&report=imagesdocsum" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Image', 'domain': 'ncbi.nlm.nih.gov'})">images</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17999355" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1086/522235" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="18" class="mim-anchor"></a>
<a id="Xu2013" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Xu, X., Dong, G.-X., Hu, X.-S., Miao, L., Zhang, X.-L., Zhang, D.-L., Yang, H.-D., Zhang, T.-Y., Zou, Z.-T., Zhang, T.-T., Zhuang, Y., Bhak, J., Cho, Y. S., Dai, W.-T., Jiang, T.-J., Xie, C., Li, R., Luo, S.-J.
<strong>The genetic basis of white tigers.</strong>
Curr. Biol. 23: 1031-1035, 2013.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/23707431/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">23707431</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=23707431" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1016/j.cub.2013.04.054" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="19" class="mim-anchor"></a>
<a id="Yuasa2006" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Yuasa, I., Umetsu, K., Harihara, S., Kido, A., Miyoshi, A., Saitou, N., Dashnyam, B., Jin, F., Lucotte, G., Chattopadhyay, P. K., Henke, L., Henke, J.
<strong>Distribution of the F374 allele of the SLC45A2 (MATP) gene and founder-haplotype analysis.</strong>
Ann. Hum. Genet. 70: 802-811, 2006.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/17044855/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">17044855</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17044855" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1111/j.1469-1809.2006.00261.x" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="20" class="mim-anchor"></a>
<a id="Ziprkowski1964" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Ziprkowski, L., Adam, A.
<strong>Recessive total albinism and congenital deafmutism.</strong>
Arch. Derm. 89: 151-155, 1964.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/14070830/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">14070830</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=14070830" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1001/archderm.1964.01590250157028" target="_blank">Full Text</a>]
</p>
</div>
</li>
</ol>
<div>
<br />
</div>
</div>
</div>
<div>
<a id="contributors" class="mim-anchor"></a>
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<div class="col-lg-2 col-md-2 col-sm-4 col-xs-4">
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<a href="#mimCollapseContributors" role="button" data-toggle="collapse"> Contributors: </a>
</span>
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<div class="col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
Matthew B. Gross - updated : 10/21/2021
</span>
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<div class="row collapse" id="mimCollapseContributors">
<div class="col-lg-offset-2 col-md-offset-4 col-sm-offset-4 col-xs-offset-2 col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
Patricia A. Hartz - updated : 6/3/2013<br>Marla J. F. O'Neill - updated : 5/18/2011<br>Marla J. F. O'Neill - updated : 10/30/2009<br>Ada Hamosh - updated : 10/2/2009<br>Ada Hamosh - updated : 2/21/2008<br>Anne M. Stumpf - updated : 1/16/2008<br>Victor A. McKusick - updated : 12/12/2007<br>Cassandra L. Kniffin - updated : 8/20/2007<br>Victor A. McKusick - updated : 2/27/2007<br>Cassandra L. Kniffin - updated : 10/12/2006<br>Victor A. McKusick - updated : 4/1/2005<br>Cassandra L. Kniffin - updated : 3/22/2004<br>Victor A. McKusick - updated : 2/26/2004<br>Patricia A. Hartz - updated : 7/7/2003<br>Deborah L. Stone - updated : 12/19/2001
</span>
</div>
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<div>
<a id="creationDate" class="mim-anchor"></a>
<div class="row">
<div class="col-lg-2 col-md-2 col-sm-4 col-xs-4">
<span class="text-nowrap mim-text-font">
Creation Date:
</span>
</div>
<div class="col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
Ada Hamosh : 8/15/2001
</span>
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<div>
<a id="editHistory" class="mim-anchor"></a>
<div class="row">
<div class="col-lg-2 col-md-2 col-sm-4 col-xs-4">
<span class="text-nowrap mim-text-font">
<a href="#mimCollapseEditHistory" role="button" data-toggle="collapse"> Edit History: </a>
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<div class="col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
carol : 10/25/2021
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<div class="row collapse" id="mimCollapseEditHistory">
<div class="col-lg-offset-2 col-md-offset-2 col-sm-offset-4 col-xs-offset-4 col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
mgross : 10/21/2021<br>mgross : 10/21/2021<br>alopez : 02/13/2018<br>carol : 02/11/2015<br>mcolton : 2/10/2015<br>carol : 10/3/2013<br>tpirozzi : 7/9/2013<br>mgross : 6/3/2013<br>joanna : 11/29/2011<br>wwang : 5/19/2011<br>terry : 5/18/2011<br>wwang : 10/30/2009<br>terry : 10/30/2009<br>alopez : 10/9/2009<br>alopez : 10/2/2009<br>alopez : 10/2/2009<br>carol : 2/28/2008<br>terry : 2/21/2008<br>terry : 2/21/2008<br>alopez : 1/16/2008<br>alopez : 12/12/2007<br>alopez : 12/12/2007<br>alopez : 12/12/2007<br>ckniffin : 9/13/2007<br>wwang : 9/5/2007<br>ckniffin : 8/20/2007<br>alopez : 3/22/2007<br>terry : 2/27/2007<br>carol : 1/11/2007<br>terry : 11/16/2006<br>wwang : 10/25/2006<br>ckniffin : 10/12/2006<br>wwang : 4/14/2005<br>wwang : 4/6/2005<br>wwang : 4/5/2005<br>terry : 4/1/2005<br>ckniffin : 3/22/2004<br>tkritzer : 2/27/2004<br>terry : 2/26/2004<br>mgross : 7/7/2003<br>carol : 12/19/2001<br>carol : 12/19/2001<br>joanna : 11/6/2001<br>alopez : 8/15/2001
</span>
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</div>
<div class="container visible-print-block">
<div class="row">
<div class="col-md-8 col-md-offset-1">
<div>
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<h3>
<span class="mim-font">
<strong>*</strong> 606202
</span>
</h3>
</div>
<div>
<h3>
<span class="mim-font">
SOLUTE CARRIER FAMILY 45, MEMBER 2; SLC45A2
</span>
</h3>
</div>
<div>
<br />
</div>
<div>
<div >
<p>
<span class="mim-font">
<em>Alternative titles; symbols</em>
</span>
</p>
</div>
<div>
<h4>
<span class="mim-font">
MEMBRANE-ASSOCIATED TRANSPORTER PROTEIN; MATP<br />
MELANOMA ANTIGEN AIM1; AIM1
</span>
</h4>
</div>
</div>
<div>
<br />
</div>
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<p>
<span class="mim-text-font">
<strong><em>HGNC Approved Gene Symbol: SLC45A2</em></strong>
</span>
</p>
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<div>
<p>
<span class="mim-text-font">
<strong>SNOMEDCT:</strong> 715632003; &nbsp;
</span>
</p>
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<div>
<br />
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<p>
<span class="mim-text-font">
<strong>
<em>
Cytogenetic location: 5p13.2
&nbsp;
Genomic coordinates <span class="small">(GRCh38)</span> : 5:33,944,623-33,984,693 </span>
</em>
</strong>
<span class="small">(from NCBI)</span>
</span>
</p>
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<h4>
<span class="mim-font">
<strong>Gene-Phenotype Relationships</strong>
</span>
</h4>
<div>
<table class="table table-bordered table-condensed small mim-table-padding">
<thead>
<tr class="active">
<th>
Location
</th>
<th>
Phenotype
</th>
<th>
Phenotype <br /> MIM number
</th>
<th>
Inheritance
</th>
<th>
Phenotype <br /> mapping key
</th>
</tr>
</thead>
<tbody>
<tr>
<td rowspan="4">
<span class="mim-font">
5p13.2
</span>
</td>
<td>
<span class="mim-font">
[Skin/hair/eye pigmentation 5, black/nonblack hair]
</span>
</td>
<td>
<span class="mim-font">
227240
</span>
</td>
<td>
<span class="mim-font">
Autosomal recessive
</span>
</td>
<td>
<span class="mim-font">
3
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
[Skin/hair/eye pigmentation 5, dark/fair skin]
</span>
</td>
<td>
<span class="mim-font">
227240
</span>
</td>
<td>
<span class="mim-font">
Autosomal recessive
</span>
</td>
<td>
<span class="mim-font">
3
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
[Skin/hair/eye pigmentation 5, dark/light eyes]
</span>
</td>
<td>
<span class="mim-font">
227240
</span>
</td>
<td>
<span class="mim-font">
Autosomal recessive
</span>
</td>
<td>
<span class="mim-font">
3
</span>
</td>
</tr>
<tr>
<td>
<span class="mim-font">
Albinism, oculocutaneous, type IV
</span>
</td>
<td>
<span class="mim-font">
606574
</span>
</td>
<td>
<span class="mim-font">
Autosomal recessive
</span>
</td>
<td>
<span class="mim-font">
3
</span>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>TEXT</strong>
</span>
</h4>
<div>
<h4>
<span class="mim-font">
<strong>Description</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>The AIM1 gene encodes a melanocyte differentiation antigen that is expressed in a high percentage of melanoma cell lines. Its homolog in medaka fish, 'B,' encodes a transporter that mediates melanin synthesis (Fukamachi et al., 2001). </p><p>SLC45A2 is an H(+)-dependent sugar transporter (Bartolke et al., 2014). </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Cloning and Expression</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Harada et al. (2001) identified an antigen in human melanoma that they called AIM1 protein. The AIM1 gene was expressed in 3 melanoma cell lines, but not in a fibroblast cell line, and not at significant levels in any of 15 normal tissues. The human AIM1 gene encodes a protein of 530 amino acids. Northern blot analysis detected 2 transcripts, one of 1.7 kb and the other of 2.8 kb. Harada et al. (2001) concluded that the AIM1 gene encodes a melanocyte differentiation antigen that is expressed in a high percentage of melanoma cell lines. </p><p>Fukamachi et al. (2001) used a positional cloning effort to isolate a medaka pigment gene highly homologous to human AIM1. This gene encodes a transporter that mediates melanin synthesis. The medaka AIM1 protein consists of 12 transmembrane domains and is 55% identical to human AIM1. Fukamachi et al. (2001) also isolated a highly homologous gene from the mouse, indicating a conserved function of vertebrate melanogenesis. </p><p>Newton et al. (2001) identified the human AIM1 gene, which they designated MATP, by study of human chromosome 5p, a region showing syntenic homology with the proximal region of mouse chromosome 15 where the underwhite (uw) locus maps. They cloned the human MATP and mouse uw cDNAs and determined that the deduced human and mouse proteins share 82% sequence identity. Both proteins are approximately 58 kD and are predicted to span a lipid bilayer 12 times. </p><p>Using real-time PCR, Bartolke et al. (2014) detected Slc45a2 expression predominantly in mouse eye and skin, with little to no expression in other tissues. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Gene Function</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Du and Fisher (2002) determined that MATP is transcriptionally modulated by MITF (156845), a melanocyte-specific transcription factor. Chromatin immunoprecipitation did not detect direct binding of MITF to a 5-prime flanking region of MATP, suggesting that MITF may act indirectly or may bind to a remote regulatory sequence. </p><p>By expressing the full-length protein in S. cerevisiae, Bartolke et al. (2014) found that mouse Slc45a2 functioned as an H(+)-sucrose symporter. Inhibition studies suggested that Slc45a2 also transports glucose and fructose. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Gene Structure</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Newton et al. (2001) determined that the SLC45A2 gene contains 7 exons spanning a region of approximately 40 kb. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Mapping</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>By sequence analysis, Newton et al. (2001) mapped the SLC45A2 gene to chromosome 5p. </p><p>Gross (2021) mapped the SLC45A2 gene to chromosome 5p13.2 based on an alignment of the SLC45A2 sequence (GenBank AF172849) with the genomic sequence (GRCh38).</p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Evolution</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Sabeti et al. (2007) reported an analysis of over 3 million polymorphisms from the International HapMap Project Phase 2. The analysis revealed more than 300 strong candidate regions that appeared to have undergone recent natural selection. Examination of 22 of the strongest regions highlighted 3 cases in which 2 genes in a common biologic process had apparently undergone positive selection in the same population: LARGE (603590) and DMD (300377), both related to infection by the Lassa virus, in West Africa; SLC24A5 (609802) and SLC45A2, both involved in skin pigmentation, in Europe; and EDAR (604095) and EDA2R (300276), both involved in the development of hair follicles, in Asia. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Molecular Genetics</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p><strong><em>Oculocutaneous Albinism Type IV</em></strong></p><p>
In a Turkish patient with oculocutaneous albinism type IV (OCA4; 606574), Newton et al. (2001) identified a homozygous mutation in the MATP gene (606202.0001). </p><p>Rundshagen et al. (2004) screened 176 German patients with albinism for mutations in the MATP gene; in 5, they identified homozygous or compound heterozygous mutations (see 606202.0002-606202.0005). </p><p>In 18 of 75 (24%) Japanese patients with OCA, Inagaki et al. (2004) identified 7 mutations in the MATP gene (see, e.g., 606202.0006). </p><p><strong><em>Normal Pigment Variation</em></strong></p><p>
Studying Caucasians, Asians, African Americans, and Australian Aborigines, Graf et al. (2005) found association particularly with 2 polymorphisms, G272K (606202.0007) and F374L (606202.0008), with normal variation in human pigmentation (SHEP5; 227240). </p><p>Graf et al. (2007) examined the association between normal skin color variation in several populations and 3 different promoter polymorphisms in the MATP gene: -1721C-G (rs13289), -1169G-A (rs6867641), and a 3-bp duplication, -1174dupAAT. In Caucasian samples, -1721C-G and -1174dupAAT were in complete linkage disequilibrium. In Caucasians only, the -1721G, -1169A, and +dup alleles were significantly associated with olive skin color. Functional analysis in melanoma skin cells showed that this promoter haplotype decreased MATP transcription, suggesting a functional significance. </p><p>Stokowski et al. (2007) demonstrated an association between the SNP rs16891982 (F374L; 606202.0008) and skin pigmentation variation in individuals of South Asian descent. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Animal Model</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Newton et al. (2001) and Du and Fisher (2002) determined that mutations in the mouse Matp gene underlie the underwhite (uw) pigmentation phenotype. Underwhite alleles manifest altered pigmentation of both eye and fur, sometimes in an age-dependent fashion. </p><p>Xu et al. (2013) found that white tigers, characterized by white fur and dark stripes, are homozygous for a C-to-T transition in exon 7 of the Slc45a2 gene, resulting in an ala477-to-val (A477V) substitution in transmembrane domain 11. Homology modeling suggested that A477 faces the inner surface of the transporter cavity and that its mutation may hinder substrate transport. Xu et al. (2013) hypothesized that Slc45a2 may be a sucrose/proton symporter that regulates organellar pH and/or osmotic balance for synthesis of red/yellow pheomelanin, with little or no effect on the synthesis of black eumelanin. </p>
</span>
<div>
<br />
</div>
</div>
<div>
<h4>
<span class="mim-font">
<strong>ALLELIC VARIANTS</strong>
</span>
<strong>9 Selected Examples):</strong>
</span>
</h4>
<div>
<p />
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0001 &nbsp; OCULOCUTANEOUS ALBINISM, TYPE IV</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC45A2, IVS2, G-A, -1
<br />
SNP: rs730880270,
ClinVar: RCV000004756
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a Turkish patient with oculocutaneous albinism type IV (OCA4; 606574), whose generalized hypopigmentation and ocular abnormalities were relatively mild, Newton et al. (2001) identified a homozygous G-to-A transition in the splice acceptor sequence of exon 2 of the SLC45A2 gene. The patient's parents were heterozygous for this mutation. The authors noted that the mutation likely results in the in-frame deletion of exon 2, which codes for transmembrane domain-4, and would result in a change in the orientation of transmembrane domains 5-12 relative to the membrane. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0002 &nbsp; OCULOCUTANEOUS ALBINISM, TYPE IV</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC45A2, LEU361PRO
<br />
SNP: rs121912619,
gnomAD: rs121912619,
ClinVar: RCV000004757, RCV000178964, RCV004755709, RCV005041981
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a German patient with oculocutaneous albinism type IV (OCA4; 606574), Rundshagen et al. (2004) identified a homozygous 1082T-C transition in exon 5 of the MATP gene, resulting in a leu361-to-pro (L361P) change. Each parent was heterozygous for the mutation. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0003 &nbsp; OCULOCUTANEOUS ALBINISM, TYPE IV</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC45A2, 1-BP DEL, 986C
<br />
SNP: rs387906317,
gnomAD: rs387906317,
ClinVar: RCV000004758, RCV000724498, RCV004566683
</span>
</div>
<div>
<span class="mim-text-font">
<p>In 2 German patients with oculocutaneous albinism type IV (OCA4; 606574), Rundshagen et al. (2004) identified a 1-bp deletion in exon 4 of the MATP gene, 986delC, resulting in a frameshift at codon 329 and a translation stop in exon 6. In each patient the frameshift mutation was present in compound heterozygous state: in one patient with a 3-bp deletion (nucleotides 661-663), resulting in deletion of phe221 (606202.0004), and in the other with an A486V mutation (606202.0005). </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0004 &nbsp; OCULOCUTANEOUS ALBINISM, TYPE IV</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC45A2, 3-BP DEL
<br />
SNP: rs387906318,
ClinVar: RCV000004759, RCV002512770
</span>
</div>
<div>
<span class="mim-text-font">
<p>For discussion of the 3-bp deletion (361_363del) in the MATP gene that was found in compound heterozygous state in a patient with oculocutaneous albinism type IV (OCA4; 606574) by Rundshagen et al. (2004), see 606202.0003. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0005 &nbsp; OCULOCUTANEOUS ALBINISM, TYPE IV</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC45A2, ALA486VAL
<br />
SNP: rs121912620,
gnomAD: rs121912620,
ClinVar: RCV000004760, RCV001851652
</span>
</div>
<div>
<span class="mim-text-font">
<p>For discussion of the ala486-to-val (A486V) mutation in the MATP gene that was found in compound heterozygous state in a patient with oculocutaneous albinism type IV (OCA4; 606574) by Rundshagen et al. (2004), see 606202.0003. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0006 &nbsp; OCULOCUTANEOUS ALBINISM, TYPE IV</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC45A2, ASP157ASN
<br />
SNP: rs121912621,
gnomAD: rs121912621,
ClinVar: RCV000004761, RCV001781183
</span>
</div>
<div>
<span class="mim-text-font">
<p>In 2 Japanese patients with oculocutaneous albinism type IV (OCA4; 606574), Inagaki et al. (2004) identified homozygosity for a G-to-A transition in exon 2 of the MATP gene, resulting in an asp157-to-asn (D157N) substitution. The mutation occurs at the first residue in the second cytoplasmic loop of the protein. Ten other patients had 1 D157N mutant allele; the allele frequency of D157N in all patients with OCA4 was 0.39, indicating that it is the most common mutant allele in Japanese patients with OCA4. </p><p>Inagaki et al. (2005) investigated the haplotypes of 20 alleles carrying the D157N mutation from 1 Korean and 21 Japanese OCA4 patients and found 1 Korean and 12 Japanese alleles to be associated with so-called 'haplotype 15' (G-A-G-A-G), consistent with a founder effect for the D157N mutation in East Asia. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0007 &nbsp; SKIN/HAIR/EYE PIGMENTATION 5, BLACK/NONBLACK HAIR</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SKIN/HAIR/EYE PIGMENTATION 5, DARK/FAIR SKIN, INCLUDED<br />
SKIN/HAIR/EYE PIGMENTATION 5, DARK/LIGHT EYES, INCLUDED
</span>
</div>
<div>
<span class="mim-text-font">
SLC45A2, GLU272LYS
<br />
SNP: rs26722,
gnomAD: rs26722,
ClinVar: RCV000004762, RCV000354755, RCV001514374, RCV003891429
</span>
</div>
<div>
<span class="mim-text-font">
<p>In Caucasians, Graf et al. (2005) found a significant association between 2 polymorphisms of the MATP gene, an 814G-A transition resulting in a glu272-to-lys substitution (G272K) and a 1122C-G transversion resulting in a phe374-to-leu substitution (F374L; 606202.0008). The 2 alleles, leu374 and lys272, were significantly associated with dark hair, skin, and eye color in Caucasians (SHEP5; 227240). The odds ratios of the leu/leu genotype for black hair and olive skin were 25.63 and 28.65, respectively, and for the lys/lys genotype were 43.23 and 8.27, respectively. The odds ratio for eye color was lower at 3.48 for the leu/leu and 6.57 for the lys/lys genotypes. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0008 &nbsp; SKIN/HAIR/EYE PIGMENTATION 5, BLACK/NONBLACK HAIR</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SKIN/HAIR/EYE PIGMENTATION 5, DARK/FAIR SKIN, INCLUDED<br />
SKIN/HAIR/EYE PIGMENTATION 5, DARK/LIGHT EYES, INCLUDED
</span>
</div>
<div>
<span class="mim-text-font">
SLC45A2, PHE374LEU
<br />
SNP: rs16891982,
gnomAD: rs16891982,
ClinVar: RCV000004763, RCV000022392, RCV000948184
</span>
</div>
<div>
<span class="mim-text-font">
<p>For discussion of the phe374-to-leu (F374L) mutation in the MATP gene that was found in compound heterozygous state in Caucasian individuals with dark hair, skin, and eye color (SHEP5; 227240) by Graf et al. (2005), see 606202.0007. </p><p>Yuasa et al. (2006), who referred to this polymorphism as L374F, studied the distribution of the F374 allele in 1,649 unrelated subjects from 13 Eurasian populations and 1 African population. The highest allele frequency was observed in Germans (0.965); French and Italians showed somewhat lower frequencies; and Turks had an intermediate value (0.615). Indians and Bangladeshis from South Asia were characterized by low frequencies (0.147 and 0.059, respectively). They also found the F374 allele in some East and Southeast Asian populations, and explained this by admixture. Haplotype analysis revealed that the haplotype diversity was much lower in Germans than in Japanese, suggesting that the L374F mutation occurred only once in the ancestry of Caucasians. The large differences in distribution of the F374 allele and its haplotype suggested that this allele may be an important factor in hypopigmentation in Caucasian populations. </p><p>In a genomewide association study of skin pigmentation variation (SHEP5; 227240) using 1,620,742 SNPs in a population of 737 individuals of South Asian ancestry living in the United Kingdom, Stokowski et al. (2007) found association of the SLC45A2 SNP rs16891982 (L374F) with skin pigmentation. The association was replicated in a second independent cohort of 235 individuals. </p><p>Stacey et al. (2009) confirmed the association of the rs16891982 variant with fair pigmentation and found association of this SNP with susceptibility to basal cell carcinoma in 3,326 basal cell carcinoma cases and 5,493 controls of European ancestry (odds ratio = 1.97, P = 1.6 x 10(-12)). </p><p>Guedj et al. (2008) analyzed the F374L variant in 1,019 Caucasian melanoma patients (see 155600) and 1,466 Caucasian controls and found an association for protection from melanoma (p = 2.12 x 10(-15); odds ratio = 0.35 and 0.32 for the F/L and F/F genotypes, respectively). The association remained significant in a logistic model integrating pigmentation characteristics (p = 4.16 x 10(-3)). </p><p>In a Spanish case-control study involving 131 consecutive melanoma patients and 245 controls, Fernandez et al. (2008) found the F374L variant of the SLC45A2 gene to be associated with protection from malignant melanoma (odds ratio = 0.41; p = 0.008 after adjustment for multiple testing). Adjustment for 6 potential confounders (age, blond/red hair color, fair/pale skin color, solar lentigines, number of nevi, and the presence of childhood sunburn) reduced the estimated degree of protection (odds ratio = 0.56; p = 0.08), reflecting their likely participation in the causal pathway. Only blond/red hair color and childhood sunburns were independently associated with risk of malignant melanoma; adjustment for those 2 covariates gave an estimated per allele odds ratio of 0.55 (p = 0.05) for the F374L variant. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0009 &nbsp; OCULOCUTANEOUS ALBINISM, TYPE IV</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SLC45A2, 1-BP DEL, 1121T
<br />
SNP: rs730880271,
ClinVar: RCV000004764, RCV002512771
</span>
</div>
<div>
<span class="mim-text-font">
<p>In 2 Brazilian sibs with oculocutaneous albinism type IV (OCA4; 606574), Lezirovitz et al. (2006) identified a homozygous 1-bp deletion (1121delT) in exon 5 of the MATP gene, resulting in a frameshift and premature termination of the protein at codon 397. One of the affected sibs also had sensorineural deafness (DFNB1; 220290) associated with a homozygous mutation in the GJB2 gene (121011.0005). Lezirovitz et al. (2006) concluded that congenital deafness and oculocutaneous albinism due to mutations in 2 different genes as seen in their Brazilian family suggested a similar coincident inheritance of 2 separate recessive disorders in the Sephardic family reported by Ziprkowski and Adam (1964) (see 220900). </p>
</span>
</div>
<div>
<br />
</div>
</div>
</div>
<div>
<h4>
<span class="mim-font">
<strong>REFERENCES</strong>
</span>
</h4>
<div>
<p />
</div>
<div>
<ol>
<li>
<p class="mim-text-font">
Bartolke, R., Heinisch, J. J., Wieczorek, H., Vitavska, O.
<strong>Proton-associated sucrose transport of mammalian solute carrier family 45: an analysis in Saccharomyces cerevisiae.</strong>
Biochem. J. 464: 193-201, 2014.
[PubMed: 25164149]
[Full Text: https://doi.org/10.1042/BJ20140572]
</p>
</li>
<li>
<p class="mim-text-font">
Du, J., Fisher, D. E.
<strong>Identification of Aim-1 as the underwhite mouse mutant and its transcriptional regulation by MITF.</strong>
J. Biol. Chem. 277: 402-406, 2002.
[PubMed: 11700328]
[Full Text: https://doi.org/10.1074/jbc.M110229200]
</p>
</li>
<li>
<p class="mim-text-font">
Fernandez, L. P., Milne, R. L., Pita, G., Aviles, J. A., Lazaro, P., Benitez, J., Ribas, G.
<strong>SLC45A2: a novel malignant melanoma-associated gene.</strong>
Hum. Mutat. 29: 1161-1167, 2008.
[PubMed: 18563784]
[Full Text: https://doi.org/10.1002/humu.20804]
</p>
</li>
<li>
<p class="mim-text-font">
Fukamachi, S., Shimada, A., Shima, A.
<strong>Mutations in the gene encoding B, a novel transporter protein, reduce melanin content in medaka.</strong>
Nature Genet. 28: 381-385, 2001.
[PubMed: 11479596]
[Full Text: https://doi.org/10.1038/ng584]
</p>
</li>
<li>
<p class="mim-text-font">
Graf, J., Hodgson, R., van Daal, A.
<strong>Single nucleotide polymorphisms in the MATP gene are associated with normal human pigmentation variation.</strong>
Hum. Mutat. 25: 278-284, 2005.
[PubMed: 15714523]
[Full Text: https://doi.org/10.1002/humu.20143]
</p>
</li>
<li>
<p class="mim-text-font">
Graf, J., Voisey, J., Hughes, I., van Daal, A.
<strong>Promoter polymorphisms in the MATP (SLC45A2) gene are associated with normal human skin color variation.</strong>
Hum. Mutat. 28: 710-717, 2007.
[PubMed: 17358008]
[Full Text: https://doi.org/10.1002/humu.20504]
</p>
</li>
<li>
<p class="mim-text-font">
Gross, M. B.
<strong>Personal Communication.</strong>
Baltimore, Md. 10/21/2021.
</p>
</li>
<li>
<p class="mim-text-font">
Guedj, M., Bourillon, A., Combadieres, C., Rodero, M., Dieude, P., Descamps, V., Dupin, N., Wolkenstein, P., Aegerter, P., Lebbe, C., Basset-Seguin, N., Prum, B., Saiag, P., Grandchamp, B., Soufir, N.
<strong>Variants of the MATP/SLC45A2 gene are protective for melanoma in the French population.</strong>
Hum. Mutat. 29: 1154-1160, 2008.
[PubMed: 18683857]
[Full Text: https://doi.org/10.1002/humu.20823]
</p>
</li>
<li>
<p class="mim-text-font">
Harada, M., Li, Y. F., El-Gamil, M., Rosenberg, S. A., Robbins, P. F.
<strong>Use of an in vitro immunoselected tumor line to identify shared melanoma antigens recognized by HLA-A*0201-restricted T cells.</strong>
Cancer Res. 61: 1089-1094, 2001.
[PubMed: 11221837]
</p>
</li>
<li>
<p class="mim-text-font">
Inagaki, K., Suzuki, T., Ito, S., Suzuki, N., Fukai, K., Horiuchi, T., Tanaka, T., Manabe, E., Tomita, Y.
<strong>OCA4: evidence for a founder effect for the p.D157N mutation of the MATP gene in Japanese and Korean.</strong>
Pigment Cell Res. 18: 385-388, 2005.
[PubMed: 16162179]
[Full Text: https://doi.org/10.1111/j.1600-0749.2005.00261.x]
</p>
</li>
<li>
<p class="mim-text-font">
Inagaki, K., Suzuki, T., Shimizu, H., Ishii, N., Umezawa, Y., Tada, J., Kikuchi, N., Takata, M., Takamori, K., Kishibe, M., Tanaka, M., Miyamura, Y., Ito, S., Tomita, Y.
<strong>Oculocutaneous albinism type 4 is one of the most common types of albinism in Japan.</strong>
Am. J. Hum. Genet. 74: 466-471, 2004.
[PubMed: 14961451]
[Full Text: https://doi.org/10.1086/382195]
</p>
</li>
<li>
<p class="mim-text-font">
Lezirovitz, K., Nicastro, F. S., Pardono, E., Abreu-Silva, R. S., Batissoco, A. C., Neustein, I., Spinelli, M., Mingroni-Netto, R. C.
<strong>Is autosomal recessive deafness associated with oculocutaneous albinism a &#x27;coincidence syndrome&#x27;?</strong>
J. Hum. Genet. 51: 716-720, 2006.
[PubMed: 16868655]
[Full Text: https://doi.org/10.1007/s10038-006-0003-7]
</p>
</li>
<li>
<p class="mim-text-font">
Newton, J. M., Cohen-Barak, O., Hagiwara, N., Gardner, J. M., Davisson, M. T., King, R. A., Brilliant, M. H.
<strong>Mutations in the human orthologue of the mouse underwhite gene (uw) underlie a new form of oculocutaneous albinism, OCA4.</strong>
Am. J. Hum. Genet. 69: 981-988, 2001.
[PubMed: 11574907]
[Full Text: https://doi.org/10.1086/324340]
</p>
</li>
<li>
<p class="mim-text-font">
Rundshagen, U., Zuhlke, C., Opitz, S., Schwinger, E., Kasmann-Kellner, B.
<strong>Mutations in the MATP gene in five German patients affected by oculocutaneous albinism type 4.</strong>
Hum. Mutat. 23: 106-110, 2004.
[PubMed: 14722913]
[Full Text: https://doi.org/10.1002/humu.10311]
</p>
</li>
<li>
<p class="mim-text-font">
Sabeti, P. C., Varilly, P., Fry, B., Lohmueller, J., Hostetter, E., Cotsapas, C., Xie, X., Byrne, E. H., McCarroll, S. A., Gaudet, R., Schaffner, S. F., Lander, E. S., International HapMap Consortium.
<strong>Genome-wide detection and characterization of positive selection in human populations.</strong>
Nature 449: 913-918, 2007.
[PubMed: 17943131]
[Full Text: https://doi.org/10.1038/nature06250]
</p>
</li>
<li>
<p class="mim-text-font">
Stacey, S. N., Sulem, P., Masson, G., Gudjonsson, S. A., Thorleifsson, G., Jakobsdottir, M., Sigurdsson, A., Gudjartsson, D. F., Sigurgeirsson, B., Benediktsdottir, K. R., Thorisdottir, K., Ragnarsson, R., and 52 others.
<strong>New common variants affecting susceptibility to basal cell carcinoma.</strong>
Nature Genet. 41: 909-914, 2009.
[PubMed: 19578363]
[Full Text: https://doi.org/10.1038/ng.412]
</p>
</li>
<li>
<p class="mim-text-font">
Stokowski, R. P., Pant, P. V. K., Dadd, T., Fereday, A., Hinds, D. A., Jarman, C., Filsell, W., Ginger, R. S., Green, M. R., van der Ouderaa, F. J., Cox, D. R.
<strong>A genomewide association study of skin pigmentation in a South Asian population.</strong>
Am. J. Hum. Genet. 81: 1119-1132, 2007.
[PubMed: 17999355]
[Full Text: https://doi.org/10.1086/522235]
</p>
</li>
<li>
<p class="mim-text-font">
Xu, X., Dong, G.-X., Hu, X.-S., Miao, L., Zhang, X.-L., Zhang, D.-L., Yang, H.-D., Zhang, T.-Y., Zou, Z.-T., Zhang, T.-T., Zhuang, Y., Bhak, J., Cho, Y. S., Dai, W.-T., Jiang, T.-J., Xie, C., Li, R., Luo, S.-J.
<strong>The genetic basis of white tigers.</strong>
Curr. Biol. 23: 1031-1035, 2013.
[PubMed: 23707431]
[Full Text: https://doi.org/10.1016/j.cub.2013.04.054]
</p>
</li>
<li>
<p class="mim-text-font">
Yuasa, I., Umetsu, K., Harihara, S., Kido, A., Miyoshi, A., Saitou, N., Dashnyam, B., Jin, F., Lucotte, G., Chattopadhyay, P. K., Henke, L., Henke, J.
<strong>Distribution of the F374 allele of the SLC45A2 (MATP) gene and founder-haplotype analysis.</strong>
Ann. Hum. Genet. 70: 802-811, 2006.
[PubMed: 17044855]
[Full Text: https://doi.org/10.1111/j.1469-1809.2006.00261.x]
</p>
</li>
<li>
<p class="mim-text-font">
Ziprkowski, L., Adam, A.
<strong>Recessive total albinism and congenital deafmutism.</strong>
Arch. Derm. 89: 151-155, 1964.
[PubMed: 14070830]
[Full Text: https://doi.org/10.1001/archderm.1964.01590250157028]
</p>
</li>
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Matthew B. Gross - updated : 10/21/2021<br>Patricia A. Hartz - updated : 6/3/2013<br>Marla J. F. O&#x27;Neill - updated : 5/18/2011<br>Marla J. F. O&#x27;Neill - updated : 10/30/2009<br>Ada Hamosh - updated : 10/2/2009<br>Ada Hamosh - updated : 2/21/2008<br>Anne M. Stumpf - updated : 1/16/2008<br>Victor A. McKusick - updated : 12/12/2007<br>Cassandra L. Kniffin - updated : 8/20/2007<br>Victor A. McKusick - updated : 2/27/2007<br>Cassandra L. Kniffin - updated : 10/12/2006<br>Victor A. McKusick - updated : 4/1/2005<br>Cassandra L. Kniffin - updated : 3/22/2004<br>Victor A. McKusick - updated : 2/26/2004<br>Patricia A. Hartz - updated : 7/7/2003<br>Deborah L. Stone - updated : 12/19/2001
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