nih-gov/www.ncbi.nlm.nih.gov/omim/602286

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- *602286 - STEROL C5-DESATURASE; SC5D
- OMIM
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<span class="h4">*602286</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="#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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<a href="#geneStructure">Gene Structure</a>
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<a href="#mapping">Mapping</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="#creationDate"><strong>Creation Date</strong></a>
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<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=09078&isoform_id=09078_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/SC5D" 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/6003685,15147389,15637108,30046554,62896931,62897843,68160941,68160945,119587923,119587924,119587925,119587926,124053650,189069180" 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/O75845" 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=6309" 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=ENSG00000109929;t=ENST00000264027" 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=SC5D" 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=SC5D" 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+6309" 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/SC5D" 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:6309" 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/6309" 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=chr11&hgg_gene=ENST00000264027.9&hgg_start=121292771&hgg_end=121313410&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>
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<div class="panel-heading mim-panel-heading" role="tab" id="mimClinicalResources">
<span class="panel-title">
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<div id="mimClinicalResourcesLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
&nbsp;
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<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://www.ncbi.nlm.nih.gov/gtr/all/tests/?term=602286[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>
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</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">
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<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=602286[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/ENSG00000109929" 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=SC5D" 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=SC5D" 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=SC5D" 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="https://evs.gs.washington.edu/EVS/PopStatsServlet?searchBy=Gene+Hugo&target=SC5D&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/PA34957" 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">
<div style="display: table-row">
<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:10547" 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://www.mousephenotype.org/data/genes/MGI:1353611" 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/SC5D#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:1353611" 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/6309/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://www.orthodb.org/?ncbi=6309" 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-040912-56" 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">
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<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://www.genome.jp/dbget-bin/get_linkdb?-t+pathway+hsa:6309" 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>
<div><a href="https://reactome.org/content/query?q=SC5D&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> 719257008<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>
602286
</span>
</span>
</div>
</div>
<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
STEROL C5-DESATURASE; SC5D
</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">
STEROL C5-DESATURASE-LIKE; SC5DL<br />
3-BETA-HYDROXYSTEROID-DELTA-5-DESATURASE<br />
DELTA-5-DESATURASE<br />
LATHOSTEROL DEHYDROGENASE<br />
ERG3, CANDIDA GLABRATA, HOMOLOG OF
</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=SC5D" class="mim-tip-hint" title="HUGO Gene Nomenclature Committee." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'HGNC', 'domain': 'genenames.org'})">SC5D</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/11/1027?start=-3&limit=10&highlight=1027">11q23.3-q24.1</a>
&nbsp;
Genomic coordinates <span class="small">(GRCh38)</span> : <a href="https://genome.ucsc.edu/cgi-bin/hgTracks?db=hg38&position=chr11:121292771-121313410&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'})">11:121,292,771-121,313,410</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
</th>
<th>
Phenotype <br /> MIM number
</th>
<th>
Inheritance
</th>
<th>
Phenotype <br /> mapping key
</th>
</tr>
</thead>
<tbody>
<tr>
<td rowspan="1">
<span class="mim-font">
<a href="/geneMap/11/1027?start=-3&limit=10&highlight=1027">
11q23.3-q24.1
</a>
</span>
</td>
<td>
<span class="mim-font">
Lathosterolosis
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/607330"> 607330 </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>
</tbody>
</table>
</div>
</div>
<div>
<div class="btn-group">
<button type="button" class="btn btn-success dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
PheneGene Graphics <span class="caret"></span>
</button>
<ul class="dropdown-menu" style="width: 17em;">
<li><a href="/graph/linear/602286" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Linear'})"> Linear </a></li>
<li><a href="/graph/radial/602286" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Radial'})"> Radial </a></li>
</ul>
</div>
<span class="glyphicon glyphicon-question-sign mim-tip-hint" title="OMIM PheneGene graphics depict relationships between phenotypes, groups of related phenotypes (Phenotypic Series), and genes.<br /><a href='/static/omim/pdf/OMIM_Graphics.pdf' target='_blank'>A quick reference overview and guide (PDF)</a>"></span>
</div>
<div>
<br />
</div>
<div>
<a id="text" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<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>
</span>
</span>
</h4>
<div>
<a id="description" class="mim-anchor"></a>
<h4 href="#mimDescriptionFold" id="mimDescriptionToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimDescriptionToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<span class="mim-font">
<strong>Description</strong>
</span>
</h4>
</div>
<div id="mimDescriptionFold" class="collapse in ">
<span class="mim-text-font">
<p>Sterol C5-desaturase (<a href="https://enzyme.expasy.org/EC/1.3.3.2" target="_blank" onclick="gtag(\'event\', \'mim_outbound\', {\'name\': \'EC\', \'domain\': \'expasy.org\'})">EC 1.3.3.2</a>), or SC5D, is involved in the biosynthesis of cholesterol, specifically catalyzing the conversion of lathosterol into 7-dehydrocholesterol.</p>
</span>
<div>
<br />
</div>
</div>
<div>
<a id="cloning" class="mim-anchor"></a>
<h4 href="#mimCloningFold" id="mimCloningToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimCloningToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<span class="mim-font">
<strong>Cloning and Expression</strong>
</span>
</h4>
</div>
<div id="mimCloningFold" class="collapse in mimTextToggleFold">
<span class="mim-text-font">
<p>Based on high homology between a human fetal brain cDNA and the ERG3 gene of Candida glabrata, <a href="#5" class="mim-tip-reference" title="Matsushima, M., Inazawa, J., Takahashi, E., Suzumori, K., Nakamura, Y. &lt;strong&gt;Molecular cloning and mapping of a human cDNA (SC5DL) encoding a protein homologous to fungal sterol-C5-desaturase.&lt;/strong&gt; Cytogenet. Cell Genet. 74: 252-254, 1996.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8976377/&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;8976377&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1159/000134427&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="8976377">Matsushima et al. (1996)</a> identified a putative sterol C5-desaturase. DNA sequencing revealed that the open reading frame of the gene predicts a 236-amino acid protein. Northern blot analysis detected a 2.4-kb transcript in all tissues examined. In addition, an 8.0-kb transcript was seen in almost all tissues. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8976377" 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 screening a sequence database for homology with S. cerevisiae SC5D, followed by PCR, <a href="#6" class="mim-tip-reference" title="Nishi, S., Nishino, H., Ishibashi, T. &lt;strong&gt;cDNA cloning of the mammalian sterol C5-desaturase and the expression in yeast mutant.&lt;/strong&gt; Biochim. Biophys. Acta 1490: 106-108, 2000. Note: Erratum: Biochim. Biophys. Acta 1494: 211 only, 2000.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10786622/&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;10786622&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/s0167-4781(99)00248-1&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="10786622">Nishi et al. (2000)</a> cloned SC5D from a liver cDNA library. They found that the liver sequence contains more than 200 nucleotides that are missing from the brain sequence cloned by <a href="#5" class="mim-tip-reference" title="Matsushima, M., Inazawa, J., Takahashi, E., Suzumori, K., Nakamura, Y. &lt;strong&gt;Molecular cloning and mapping of a human cDNA (SC5DL) encoding a protein homologous to fungal sterol-C5-desaturase.&lt;/strong&gt; Cytogenet. Cell Genet. 74: 252-254, 1996.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8976377/&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;8976377&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1159/000134427&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="8976377">Matsushima et al. (1996)</a>. The deduced liver protein contains 299 amino acids and is predicted to be an integral membrane protein with 4 to 5 membrane-spanning regions. It has 10 evolutionarily conserved histidines that may coordinate a nonheme iron within the catalytic center. SC4DL shares 83.6% amino acid identity with mouse Sc4dl. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=10786622+8976377" 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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<div id="mimGeneFunctionFold" class="collapse in mimTextToggleFold">
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<p><a href="#6" class="mim-tip-reference" title="Nishi, S., Nishino, H., Ishibashi, T. &lt;strong&gt;cDNA cloning of the mammalian sterol C5-desaturase and the expression in yeast mutant.&lt;/strong&gt; Biochim. Biophys. Acta 1490: 106-108, 2000. Note: Erratum: Biochim. Biophys. Acta 1494: 211 only, 2000.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/10786622/&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;10786622&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/s0167-4781(99)00248-1&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="10786622">Nishi et al. (2000)</a> confirmed enzymatic activity in microsomes prepared from yeast transformed with SC5D. Transformed cells produced 7-dehydrocholesterol in the presence of lathosterol. Transfection of SC5D also functionally complemented Sc5d-deficient yeast cells. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10786622" 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>
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<strong>Gene Structure</strong>
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<p><a href="#9" class="mim-tip-reference" title="Sugawara, T., Fujimoto, Y., Ishibashi, T. &lt;strong&gt;Molecular cloning and structural analysis of human sterol C5 desaturase.&lt;/strong&gt; Biochim. Biophys. Acta 1533: 277-284, 2001.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/11731337/&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;11731337&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1016/s1388-1981(01)00160-3&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="11731337">Sugawara et al. (2001)</a> determined that the SC5D gene contains 5 exons. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11731337" 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">
<span id="mimMappingToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<span class="mim-font">
<strong>Mapping</strong>
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</h4>
</div>
<div id="mimMappingFold" class="collapse in mimTextToggleFold">
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<p><a href="#5" class="mim-tip-reference" title="Matsushima, M., Inazawa, J., Takahashi, E., Suzumori, K., Nakamura, Y. &lt;strong&gt;Molecular cloning and mapping of a human cDNA (SC5DL) encoding a protein homologous to fungal sterol-C5-desaturase.&lt;/strong&gt; Cytogenet. Cell Genet. 74: 252-254, 1996.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8976377/&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;8976377&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1159/000134427&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="8976377">Matsushima et al. (1996)</a> mapped the SC5DL gene to chromosome 11q23.3 by fluorescence in situ hybridization. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8976377" 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>
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<strong>Molecular Genetics</strong>
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<p><a href="#2" class="mim-tip-reference" title="Brunetti-Pierri, N., Corso, G., Rossi, M., Ferrari, P., Balli, F., Rivasi, F., Annunziata, I., Ballabio, A., Russo, A. D., Andria, G., Parenti, G. &lt;strong&gt;Lathosterolosis, a novel multiple-malformation/mental retardation syndrome due to deficiency of 3-beta-hydroxysteroid-delta(5)-desaturase.&lt;/strong&gt; Am. J. Hum. Genet. 71: 952-958, 2002. Note: Erratum: Am. J. Hum. Genet. 73: 445 only, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12189593/&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;12189593&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=12189593[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/10.1086/342668&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="12189593">Brunetti-Pierri et al. (2002)</a> reported a female patient with deficiency of SC5D, which they designated lathosterolosis (LATHOS; <a href="/entry/607330">607330</a>) because of the increased levels of lathosterol in the patient's plasma and cells. They found that the patient was compound heterozygous for 2 missense mutations in the SC5D gene (R29G, <a href="#0001">602286.0001</a>; G211D, <a href="#0002">602286.0002</a>). The mutations segregated with the phenotype in the family. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12189593" 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 patient with lathosterolosis, previously reported by <a href="#7" class="mim-tip-reference" title="Parnes, S., Hunter, A. G., Jimenez, C., Carpenter, B. F., MacDonald, I. &lt;strong&gt;Apparent Smith-Lemli-Opitz syndrome in a child with a previously undescribed form of mucolipidosis not involving the neurons.&lt;/strong&gt; Am. J. Med. Genet. 35: 397-405, 1990.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/2309789/&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;2309789&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.1320350317&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="2309789">Parnes et al. (1990)</a>, <a href="#4" class="mim-tip-reference" title="Krakowiak, P. A., Wassif, C. A., Kratz, L., Cozma, D., Kovarova, M., Harris, G., Grinberg, A., Yang, Y., Hunter, A. G. W., Tsokos, M., Kelley, R. I., Porter, F. D. &lt;strong&gt;Lathosterolosis: an inborn error of human and murine cholesterol synthesis due to lathosterol 5-desaturase deficiency.&lt;/strong&gt; Hum. Molec. Genet. 12: 1631-1641, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12812989/&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;12812989&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1093/hmg/ddg172&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="12812989">Krakowiak et al. (2003)</a> identified a homozygous mutation in the SC5D gene (Y46S; <a href="#0003">602286.0003</a>). The parents were heterozygous for the mutation. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=12812989+2309789" 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 child with lathosterolosis, <a href="#3" class="mim-tip-reference" title="Ho, A. C. C., Fung, C. W., Siu, T. S., Ma, O. C. K., Lam, C. W., Tam, S., Wong, V. C. N. &lt;strong&gt;Lathosterolosis: a disorder of cholesterol biosynthesis resembling Smith-Lemli-Opitz syndrome.&lt;/strong&gt; JIMD Rep. 12: 129-134, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/24142275/&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;24142275&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1007/8904_2013_255&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="24142275">Ho et al. (2014)</a> identified compound heterozygosity for 2 missense mutations in the SC5D gene (D210E, <a href="#0004">602286.0004</a> and K148E, <a href="#0005">602286.0005</a>). Each parent was heterozygous for one of the mutations. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=24142275" 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 10-year-old boy with lathosterolosis, <a href="#1" class="mim-tip-reference" title="Anderson, R., Rust, S., Ashworth, J., Clayton-Smith, J., Taylor, R. L., Clayton, P. T., Morris, A. A. M. &lt;strong&gt;Lathosterolosis: a relatively mild case with cataracts and learning difficulties.&lt;/strong&gt; JIMD Rep. 44: 79-84, 2019.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/30097991/&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;30097991&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1007/8904_2018_127&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="30097991">Anderson et al. (2019)</a> identified compound heterozygous mutations in the SC5D gene: the previously identified D210E mutation and a novel missense mutation (P160R; <a href="#0006">602286.0006</a>). Each parent was heterozygous for one of the mutations. The mutations were identified by next-generation sequencing of a panel of genes associated with congenital or childhood cataracts. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=30097991" 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">
<span id="mimAnimalModelToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<span class="mim-font">
<strong>Animal Model</strong>
</span>
</h4>
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<div id="mimAnimalModelFold" class="collapse in mimTextToggleFold">
<span class="mim-text-font">
<p><a href="#4" class="mim-tip-reference" title="Krakowiak, P. A., Wassif, C. A., Kratz, L., Cozma, D., Kovarova, M., Harris, G., Grinberg, A., Yang, Y., Hunter, A. G. W., Tsokos, M., Kelley, R. I., Porter, F. D. &lt;strong&gt;Lathosterolosis: an inborn error of human and murine cholesterol synthesis due to lathosterol 5-desaturase deficiency.&lt;/strong&gt; Hum. Molec. Genet. 12: 1631-1641, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12812989/&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;12812989&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1093/hmg/ddg172&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="12812989">Krakowiak et al. (2003)</a> disrupted the mouse lathosterol 5-desaturase gene (Sc5d). Sc5d -/- pups were stillborn, had elevated lathosterol and decreased cholesterol levels, craniofacial defects including cleft palate and micrognathia, and limb patterning defects. Many of the malformations found in Sc5d -/- mice were consistent with impaired hedgehog signaling and appeared to be a result of decreased cholesterol rather than increased lathosterol. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12812989" 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="allelicVariants" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<span href="#mimAllelicVariantsFold" id="mimAllelicVariantsToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimAllelicVariantsToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<strong>ALLELIC VARIANTS (<a href="/help/faq#1_4"></strong>
</span>
<strong>6 Selected Examples</a>):</strong>
</span>
</h4>
<div>
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<div id="mimAllelicVariantsFold" class="collapse in mimTextToggleFold">
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<a href="/allelicVariants/602286" class="btn btn-default" role="button"> Table View </a>
&nbsp;&nbsp;<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=602286[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;LATHOSTEROLOSIS</strong>
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SC5D, ARG29GLN
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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> rs104894295 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs104894295;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/rs104894295?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=rs104894295" 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=rs104894295" 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=RCV000007779" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000007779" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000007779</a>
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<p>In a female patient with lathosterolosis (LATHOS; <a href="/entry/607330">607330</a>), <a href="#2" class="mim-tip-reference" title="Brunetti-Pierri, N., Corso, G., Rossi, M., Ferrari, P., Balli, F., Rivasi, F., Annunziata, I., Ballabio, A., Russo, A. D., Andria, G., Parenti, G. &lt;strong&gt;Lathosterolosis, a novel multiple-malformation/mental retardation syndrome due to deficiency of 3-beta-hydroxysteroid-delta(5)-desaturase.&lt;/strong&gt; Am. J. Hum. Genet. 71: 952-958, 2002. Note: Erratum: Am. J. Hum. Genet. 73: 445 only, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12189593/&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;12189593&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=12189593[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/10.1086/342668&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="12189593">Brunetti-Pierri et al. (2002)</a> identified compound heterozygosity for 2 missense mutations in the SC5D gene: a c.86G-A transition, resulting in an arg29-to-gln (R29Q) substitution, and a c.632G-A transition, resulting in a gly211-to-asp substitution (G211D; <a href="#0002">602286.0002</a>) at a highly conserved residue. In a previous pregnancy in this family, a female fetus was aborted at 22 weeks' gestation because of multiple malformations identified on routine ultrasound. Each parent was heterozygous for one of the mutations and an unaffected brother was heterozygous for the R29Q mutation. <a href="#8" class="mim-tip-reference" title="Rossi, M., D&#x27;Armiento, M., Parisi, I., Ferrari, P., Hall, C. M., Cervasio, M., Rivasi, F., Balli, F., Vecchione, R., Corso, G., Andria, G., Parenti, G. &lt;strong&gt;Clinical phenotype of lathosterolosis.&lt;/strong&gt; Am. J. Med. Genet. 143A: 2371-2381, 2007.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/17853487/&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;17853487&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.a.31929&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="17853487">Rossi et al. (2007)</a> reported that the fetus sib was also found to be compound heterozygous for the mutations. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=12189593+17853487" 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>.0002&nbsp;LATHOSTEROLOSIS</strong>
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SC5D, GLY211ASP
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<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown">rs104894296 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs104894296;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=rs104894296" 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=rs104894296" 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=RCV000007780" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000007780" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000007780</a>
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<p>For discussion of the c.632G-A transition in the SC5D gene, resulting in a gly211-to-asp (G211D) substitution, that was found in compound heterozygous state in a patient with lathosterolosis (LATHOS; <a href="/entry/607330">607330</a>) by <a href="#2" class="mim-tip-reference" title="Brunetti-Pierri, N., Corso, G., Rossi, M., Ferrari, P., Balli, F., Rivasi, F., Annunziata, I., Ballabio, A., Russo, A. D., Andria, G., Parenti, G. &lt;strong&gt;Lathosterolosis, a novel multiple-malformation/mental retardation syndrome due to deficiency of 3-beta-hydroxysteroid-delta(5)-desaturase.&lt;/strong&gt; Am. J. Hum. Genet. 71: 952-958, 2002. Note: Erratum: Am. J. Hum. Genet. 73: 445 only, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12189593/&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;12189593&lt;/a&gt;, &lt;a href=&quot;https://www.ncbi.nlm.nih.gov/pmc/?term=12189593[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/10.1086/342668&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="12189593">Brunetti-Pierri et al. (2002)</a>, see <a href="#0001">602286.0001</a>. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12189593" 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;LATHOSTEROLOSIS</strong>
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SC5D, TYR46SER
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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> rs104894297 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs104894297;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/rs104894297?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=rs104894297" 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=rs104894297" 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=RCV000007781" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000007781" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000007781</a>
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<p>In a patient with lathosterolosis (LATHOS; <a href="/entry/607330">607330</a>), <a href="#4" class="mim-tip-reference" title="Krakowiak, P. A., Wassif, C. A., Kratz, L., Cozma, D., Kovarova, M., Harris, G., Grinberg, A., Yang, Y., Hunter, A. G. W., Tsokos, M., Kelley, R. I., Porter, F. D. &lt;strong&gt;Lathosterolosis: an inborn error of human and murine cholesterol synthesis due to lathosterol 5-desaturase deficiency.&lt;/strong&gt; Hum. Molec. Genet. 12: 1631-1641, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12812989/&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;12812989&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1093/hmg/ddg172&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="12812989">Krakowiak et al. (2003)</a> identified a homozygous c.137A-C transversion in the SC5D gene, resulting in a tyr46-to-ser (Y46S) substitution. The patient was initially described by <a href="#7" class="mim-tip-reference" title="Parnes, S., Hunter, A. G., Jimenez, C., Carpenter, B. F., MacDonald, I. &lt;strong&gt;Apparent Smith-Lemli-Opitz syndrome in a child with a previously undescribed form of mucolipidosis not involving the neurons.&lt;/strong&gt; Am. J. Med. Genet. 35: 397-405, 1990.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/2309789/&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;2309789&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/ajmg.1320350317&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="2309789">Parnes et al. (1990)</a> as having atypical Smith-Lemli-Opitz syndrome (<a href="/entry/270400">270400</a>) with mucolipidosis, but biochemical and molecular analyses confirmed the diagnosis of lathosterolosis. The parents were heterozygous for the mutation. Patient fibroblasts showed deficient SC5D enzymatic activity. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=12812989+2309789" 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;LATHOSTEROLOSIS</strong>
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SC5D, ASP210GLU
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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> rs760167278 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs760167278;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/rs760167278?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=rs760167278" 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=rs760167278" 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=RCV001171520" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV001171520" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV001171520</a>
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<p>In a child with lathosterolosis (LATHOS; <a href="/entry/607330">607330</a>), <a href="#3" class="mim-tip-reference" title="Ho, A. C. C., Fung, C. W., Siu, T. S., Ma, O. C. K., Lam, C. W., Tam, S., Wong, V. C. N. &lt;strong&gt;Lathosterolosis: a disorder of cholesterol biosynthesis resembling Smith-Lemli-Opitz syndrome.&lt;/strong&gt; JIMD Rep. 12: 129-134, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/24142275/&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;24142275&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1007/8904_2013_255&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="24142275">Ho et al. (2014)</a> identified compound heterozygosity for 2 mutations in the SC5D gene: a c.630C-A transversion (c.630C-A, NM_006918.4), resulting in an asp210-to-glu (D210E) substitution, and a c.442A-G transition, resulting in a lys148-to-glu (K148E; <a href="#0005">602286.0005</a>) substitution. Each parent was heterozygous for one of the mutations. Neither variant was present in the dbSNP database or in 150 normal controls. Patient fibroblasts grown on lipid-depleted medium showed elevated concentrations of lathosterol and its precursor, 8,9-cholestenol. Fibroblast staining for filipin showed a 'variant' cholesterol storage pattern, and perinuclear cholesterol content was moderately elevated. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=24142275" 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 10-year-old boy with lathosterolosis, <a href="#1" class="mim-tip-reference" title="Anderson, R., Rust, S., Ashworth, J., Clayton-Smith, J., Taylor, R. L., Clayton, P. T., Morris, A. A. M. &lt;strong&gt;Lathosterolosis: a relatively mild case with cataracts and learning difficulties.&lt;/strong&gt; JIMD Rep. 44: 79-84, 2019.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/30097991/&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;30097991&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1007/8904_2018_127&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="30097991">Anderson et al. (2019)</a> identified compound heterozygosity for 2 mutations in the SC5D gene: the D210E mutation and a c.479C-G transversion resulting in a pro160-to-arg (P160R; <a href="#0006">602286.0006</a>) substitution. Both mutations occur at highly conserved residues. Each parent was heterozygous for one of the mutations. The mutations were identified by next-generation sequencing of a panel of genes associated with congenital or childhood cataracts. Both variants were rare in the gnomAD database. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=30097991" 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>
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<strong>.0005&nbsp;LATHOSTEROLOSIS</strong>
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SC5D, LYS148GLU
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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> rs775350797 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs775350797;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/rs775350797?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=rs775350797" 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=rs775350797" 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=RCV001002105 OR RCV001869429" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV001002105, RCV001869429" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV001002105...</a>
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<p>For discussion of the c.442A-G transition (c.442A-G, NM_006918.4) in the SC5D gene, resulting in a lys148-to-glu (K148E) substitution, that was found in compound heterozygous state in a patient with lathosterolosis (LATHOS; <a href="/entry/607330">607330</a>) by <a href="#3" class="mim-tip-reference" title="Ho, A. C. C., Fung, C. W., Siu, T. S., Ma, O. C. K., Lam, C. W., Tam, S., Wong, V. C. N. &lt;strong&gt;Lathosterolosis: a disorder of cholesterol biosynthesis resembling Smith-Lemli-Opitz syndrome.&lt;/strong&gt; JIMD Rep. 12: 129-134, 2014.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/24142275/&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;24142275&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1007/8904_2013_255&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="24142275">Ho et al. (2014)</a>, see <a href="#0004">602286.0004</a>. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=24142275" 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>
<div>
<a id="0006" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>.0006&nbsp;LATHOSTEROLOSIS</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
<div style="float: left;">
SC5D, PRO160ARG
</div>
</span>
&nbsp;&nbsp;
<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown">rs1947971579 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs1947971579;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=rs1947971579" 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=rs1947971579" 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=RCV001171521" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV001171521" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV001171521</a>
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<p>For discussion of the c.479C-G transversion in the SC5D gene, resulting in a pro160-to-arg (P160R) substitution, that was found in compound heterozygous state in a patient with lathosterolosis (LATHOS; <a href="/entry/607330">607330</a>) by <a href="#1" class="mim-tip-reference" title="Anderson, R., Rust, S., Ashworth, J., Clayton-Smith, J., Taylor, R. L., Clayton, P. T., Morris, A. A. M. &lt;strong&gt;Lathosterolosis: a relatively mild case with cataracts and learning difficulties.&lt;/strong&gt; JIMD Rep. 44: 79-84, 2019.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/30097991/&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;30097991&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1007/8904_2018_127&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="30097991">Anderson et al. (2019)</a>, see <a href="#0004">602286.0004</a>. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=30097991" 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="references"class="mim-anchor"></a>
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<span class="mim-font">
<span id="mimReferencesToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<strong>REFERENCES</strong>
</span>
</h4>
<div>
<p />
</div>
<div id="mimReferencesFold" class="collapse in mimTextToggleFold">
<ol>
<li>
<a id="1" class="mim-anchor"></a>
<a id="Anderson2019" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Anderson, R., Rust, S., Ashworth, J., Clayton-Smith, J., Taylor, R. L., Clayton, P. T., Morris, A. A. M.
<strong>Lathosterolosis: a relatively mild case with cataracts and learning difficulties.</strong>
JIMD Rep. 44: 79-84, 2019.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/30097991/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">30097991</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=30097991" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1007/8904_2018_127" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="2" class="mim-anchor"></a>
<a id="Brunetti-Pierri2002" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Brunetti-Pierri, N., Corso, G., Rossi, M., Ferrari, P., Balli, F., Rivasi, F., Annunziata, I., Ballabio, A., Russo, A. D., Andria, G., Parenti, G.
<strong>Lathosterolosis, a novel multiple-malformation/mental retardation syndrome due to deficiency of 3-beta-hydroxysteroid-delta(5)-desaturase.</strong>
Am. J. Hum. Genet. 71: 952-958, 2002. Note: Erratum: Am. J. Hum. Genet. 73: 445 only, 2003.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/12189593/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">12189593</a>, <a href="https://www.ncbi.nlm.nih.gov/pmc/?term=12189593[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=12189593" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1086/342668" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="3" class="mim-anchor"></a>
<a id="Ho2014" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Ho, A. C. C., Fung, C. W., Siu, T. S., Ma, O. C. K., Lam, C. W., Tam, S., Wong, V. C. N.
<strong>Lathosterolosis: a disorder of cholesterol biosynthesis resembling Smith-Lemli-Opitz syndrome.</strong>
JIMD Rep. 12: 129-134, 2014.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/24142275/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">24142275</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=24142275" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1007/8904_2013_255" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="4" class="mim-anchor"></a>
<a id="Krakowiak2003" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Krakowiak, P. A., Wassif, C. A., Kratz, L., Cozma, D., Kovarova, M., Harris, G., Grinberg, A., Yang, Y., Hunter, A. G. W., Tsokos, M., Kelley, R. I., Porter, F. D.
<strong>Lathosterolosis: an inborn error of human and murine cholesterol synthesis due to lathosterol 5-desaturase deficiency.</strong>
Hum. Molec. Genet. 12: 1631-1641, 2003.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/12812989/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">12812989</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12812989" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1093/hmg/ddg172" target="_blank">Full Text</a>]
</p>
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<a id="5" class="mim-anchor"></a>
<a id="Matsushima1996" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Matsushima, M., Inazawa, J., Takahashi, E., Suzumori, K., Nakamura, Y.
<strong>Molecular cloning and mapping of a human cDNA (SC5DL) encoding a protein homologous to fungal sterol-C5-desaturase.</strong>
Cytogenet. Cell Genet. 74: 252-254, 1996.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/8976377/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">8976377</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8976377" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1159/000134427" target="_blank">Full Text</a>]
</p>
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<a id="6" class="mim-anchor"></a>
<a id="Nishi2000" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Nishi, S., Nishino, H., Ishibashi, T.
<strong>cDNA cloning of the mammalian sterol C5-desaturase and the expression in yeast mutant.</strong>
Biochim. Biophys. Acta 1490: 106-108, 2000. Note: Erratum: Biochim. Biophys. Acta 1494: 211 only, 2000.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/10786622/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">10786622</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=10786622" 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/s0167-4781(99)00248-1" target="_blank">Full Text</a>]
</p>
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<a id="7" class="mim-anchor"></a>
<a id="Parnes1990" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Parnes, S., Hunter, A. G., Jimenez, C., Carpenter, B. F., MacDonald, I.
<strong>Apparent Smith-Lemli-Opitz syndrome in a child with a previously undescribed form of mucolipidosis not involving the neurons.</strong>
Am. J. Med. Genet. 35: 397-405, 1990.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/2309789/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">2309789</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=2309789" 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/ajmg.1320350317" target="_blank">Full Text</a>]
</p>
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<a id="8" class="mim-anchor"></a>
<a id="Rossi2007" class="mim-anchor"></a>
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<p class="mim-text-font">
Rossi, M., D'Armiento, M., Parisi, I., Ferrari, P., Hall, C. M., Cervasio, M., Rivasi, F., Balli, F., Vecchione, R., Corso, G., Andria, G., Parenti, G.
<strong>Clinical phenotype of lathosterolosis.</strong>
Am. J. Med. Genet. 143A: 2371-2381, 2007.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/17853487/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">17853487</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=17853487" 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/ajmg.a.31929" target="_blank">Full Text</a>]
</p>
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<a id="9" class="mim-anchor"></a>
<a id="Sugawara2001" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Sugawara, T., Fujimoto, Y., Ishibashi, T.
<strong>Molecular cloning and structural analysis of human sterol C5 desaturase.</strong>
Biochim. Biophys. Acta 1533: 277-284, 2001.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/11731337/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">11731337</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=11731337" 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/s1388-1981(01)00160-3" target="_blank">Full Text</a>]
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<a id="contributors" class="mim-anchor"></a>
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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">
Hilary J. Vernon - updated : 06/02/2020
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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">
George E. Tiller - updated : 4/26/2005<br>Victor A. McKusick - updated : 8/11/2003<br>Patricia A. Hartz - updated : 11/20/2002<br>Victor A. McKusick - updated : 10/31/2002
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<div>
<a id="creationDate" class="mim-anchor"></a>
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<span class="text-nowrap mim-text-font">
Creation Date:
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<div class="col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
Rebekah S. Rasooly : 1/27/1998
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<a href="#mimCollapseEditHistory" role="button" data-toggle="collapse"> Edit History: </a>
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<span class="mim-text-font">
carol : 06/03/2020
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<div class="row collapse" id="mimCollapseEditHistory">
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<span class="mim-text-font">
carol : 06/02/2020<br>carol : 05/21/2020<br>carol : 05/20/2020<br>mcolton : 08/18/2015<br>carol : 4/3/2008<br>tkritzer : 4/26/2005<br>carol : 11/6/2003<br>tkritzer : 8/15/2003<br>terry : 8/11/2003<br>mgross : 11/20/2002<br>mgross : 10/31/2002<br>mgross : 10/31/2002<br>alopez : 1/27/1998
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<h3>
<span class="mim-font">
<strong>*</strong> 602286
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<h3>
<span class="mim-font">
STEROL C5-DESATURASE; SC5D
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<p>
<span class="mim-font">
<em>Alternative titles; symbols</em>
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<h4>
<span class="mim-font">
STEROL C5-DESATURASE-LIKE; SC5DL<br />
3-BETA-HYDROXYSTEROID-DELTA-5-DESATURASE<br />
DELTA-5-DESATURASE<br />
LATHOSTEROL DEHYDROGENASE<br />
ERG3, CANDIDA GLABRATA, HOMOLOG OF
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<span class="mim-text-font">
<strong><em>HGNC Approved Gene Symbol: SC5D</em></strong>
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<span class="mim-text-font">
<strong>SNOMEDCT:</strong> 719257008; &nbsp;
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<p>
<span class="mim-text-font">
<strong>
<em>
Cytogenetic location: 11q23.3-q24.1
&nbsp;
Genomic coordinates <span class="small">(GRCh38)</span> : 11:121,292,771-121,313,410 </span>
</em>
</strong>
<span class="small">(from NCBI)</span>
</span>
</p>
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<div>
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</div>
<div>
<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="1">
<span class="mim-font">
11q23.3-q24.1
</span>
</td>
<td>
<span class="mim-font">
Lathosterolosis
</span>
</td>
<td>
<span class="mim-font">
607330
</span>
</td>
<td>
<span class="mim-font">
Autosomal recessive
</span>
</td>
<td>
<span class="mim-font">
3
</span>
</td>
</tr>
</tbody>
</table>
</div>
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<h4>
<span class="mim-font">
<strong>TEXT</strong>
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<h4>
<span class="mim-font">
<strong>Description</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Sterol C5-desaturase (EC 1.3.3.2), or SC5D, is involved in the biosynthesis of cholesterol, specifically catalyzing the conversion of lathosterol into 7-dehydrocholesterol.</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>Based on high homology between a human fetal brain cDNA and the ERG3 gene of Candida glabrata, Matsushima et al. (1996) identified a putative sterol C5-desaturase. DNA sequencing revealed that the open reading frame of the gene predicts a 236-amino acid protein. Northern blot analysis detected a 2.4-kb transcript in all tissues examined. In addition, an 8.0-kb transcript was seen in almost all tissues. </p><p>By screening a sequence database for homology with S. cerevisiae SC5D, followed by PCR, Nishi et al. (2000) cloned SC5D from a liver cDNA library. They found that the liver sequence contains more than 200 nucleotides that are missing from the brain sequence cloned by Matsushima et al. (1996). The deduced liver protein contains 299 amino acids and is predicted to be an integral membrane protein with 4 to 5 membrane-spanning regions. It has 10 evolutionarily conserved histidines that may coordinate a nonheme iron within the catalytic center. SC4DL shares 83.6% amino acid identity with mouse Sc4dl. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Gene Function</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Nishi et al. (2000) confirmed enzymatic activity in microsomes prepared from yeast transformed with SC5D. Transformed cells produced 7-dehydrocholesterol in the presence of lathosterol. Transfection of SC5D also functionally complemented Sc5d-deficient yeast cells. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Gene Structure</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Sugawara et al. (2001) determined that the SC5D gene contains 5 exons. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Mapping</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Matsushima et al. (1996) mapped the SC5DL gene to chromosome 11q23.3 by fluorescence in situ hybridization. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Molecular Genetics</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Brunetti-Pierri et al. (2002) reported a female patient with deficiency of SC5D, which they designated lathosterolosis (LATHOS; 607330) because of the increased levels of lathosterol in the patient's plasma and cells. They found that the patient was compound heterozygous for 2 missense mutations in the SC5D gene (R29G, 602286.0001; G211D, 602286.0002). The mutations segregated with the phenotype in the family. </p><p>In a patient with lathosterolosis, previously reported by Parnes et al. (1990), Krakowiak et al. (2003) identified a homozygous mutation in the SC5D gene (Y46S; 602286.0003). The parents were heterozygous for the mutation. </p><p>In a child with lathosterolosis, Ho et al. (2014) identified compound heterozygosity for 2 missense mutations in the SC5D gene (D210E, 602286.0004 and K148E, 602286.0005). Each parent was heterozygous for one of the mutations. </p><p>In a 10-year-old boy with lathosterolosis, Anderson et al. (2019) identified compound heterozygous mutations in the SC5D gene: the previously identified D210E mutation and a novel missense mutation (P160R; 602286.0006). Each parent was heterozygous for one of the mutations. The mutations were identified by next-generation sequencing of a panel of genes associated with congenital or childhood cataracts. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Animal Model</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Krakowiak et al. (2003) disrupted the mouse lathosterol 5-desaturase gene (Sc5d). Sc5d -/- pups were stillborn, had elevated lathosterol and decreased cholesterol levels, craniofacial defects including cleft palate and micrognathia, and limb patterning defects. Many of the malformations found in Sc5d -/- mice were consistent with impaired hedgehog signaling and appeared to be a result of decreased cholesterol rather than increased lathosterol. </p>
</span>
<div>
<br />
</div>
</div>
<div>
<h4>
<span class="mim-font">
<strong>ALLELIC VARIANTS</strong>
</span>
<strong>6 Selected Examples):</strong>
</span>
</h4>
<div>
<p />
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0001 &nbsp; LATHOSTEROLOSIS</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SC5D, ARG29GLN
<br />
SNP: rs104894295,
gnomAD: rs104894295,
ClinVar: RCV000007779
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a female patient with lathosterolosis (LATHOS; 607330), Brunetti-Pierri et al. (2002) identified compound heterozygosity for 2 missense mutations in the SC5D gene: a c.86G-A transition, resulting in an arg29-to-gln (R29Q) substitution, and a c.632G-A transition, resulting in a gly211-to-asp substitution (G211D; 602286.0002) at a highly conserved residue. In a previous pregnancy in this family, a female fetus was aborted at 22 weeks' gestation because of multiple malformations identified on routine ultrasound. Each parent was heterozygous for one of the mutations and an unaffected brother was heterozygous for the R29Q mutation. Rossi et al. (2007) reported that the fetus sib was also found to be compound heterozygous for the mutations. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0002 &nbsp; LATHOSTEROLOSIS</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SC5D, GLY211ASP
<br />
SNP: rs104894296,
ClinVar: RCV000007780
</span>
</div>
<div>
<span class="mim-text-font">
<p>For discussion of the c.632G-A transition in the SC5D gene, resulting in a gly211-to-asp (G211D) substitution, that was found in compound heterozygous state in a patient with lathosterolosis (LATHOS; 607330) by Brunetti-Pierri et al. (2002), see 602286.0001. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0003 &nbsp; LATHOSTEROLOSIS</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SC5D, TYR46SER
<br />
SNP: rs104894297,
gnomAD: rs104894297,
ClinVar: RCV000007781
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a patient with lathosterolosis (LATHOS; 607330), Krakowiak et al. (2003) identified a homozygous c.137A-C transversion in the SC5D gene, resulting in a tyr46-to-ser (Y46S) substitution. The patient was initially described by Parnes et al. (1990) as having atypical Smith-Lemli-Opitz syndrome (270400) with mucolipidosis, but biochemical and molecular analyses confirmed the diagnosis of lathosterolosis. The parents were heterozygous for the mutation. Patient fibroblasts showed deficient SC5D enzymatic activity. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0004 &nbsp; LATHOSTEROLOSIS</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SC5D, ASP210GLU
<br />
SNP: rs760167278,
gnomAD: rs760167278,
ClinVar: RCV001171520
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a child with lathosterolosis (LATHOS; 607330), Ho et al. (2014) identified compound heterozygosity for 2 mutations in the SC5D gene: a c.630C-A transversion (c.630C-A, NM_006918.4), resulting in an asp210-to-glu (D210E) substitution, and a c.442A-G transition, resulting in a lys148-to-glu (K148E; 602286.0005) substitution. Each parent was heterozygous for one of the mutations. Neither variant was present in the dbSNP database or in 150 normal controls. Patient fibroblasts grown on lipid-depleted medium showed elevated concentrations of lathosterol and its precursor, 8,9-cholestenol. Fibroblast staining for filipin showed a 'variant' cholesterol storage pattern, and perinuclear cholesterol content was moderately elevated. </p><p>In a 10-year-old boy with lathosterolosis, Anderson et al. (2019) identified compound heterozygosity for 2 mutations in the SC5D gene: the D210E mutation and a c.479C-G transversion resulting in a pro160-to-arg (P160R; 602286.0006) substitution. Both mutations occur at highly conserved residues. Each parent was heterozygous for one of the mutations. The mutations were identified by next-generation sequencing of a panel of genes associated with congenital or childhood cataracts. Both variants were rare in the gnomAD database. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0005 &nbsp; LATHOSTEROLOSIS</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SC5D, LYS148GLU
<br />
SNP: rs775350797,
gnomAD: rs775350797,
ClinVar: RCV001002105, RCV001869429
</span>
</div>
<div>
<span class="mim-text-font">
<p>For discussion of the c.442A-G transition (c.442A-G, NM_006918.4) in the SC5D gene, resulting in a lys148-to-glu (K148E) substitution, that was found in compound heterozygous state in a patient with lathosterolosis (LATHOS; 607330) by Ho et al. (2014), see 602286.0004. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0006 &nbsp; LATHOSTEROLOSIS</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
SC5D, PRO160ARG
<br />
SNP: rs1947971579,
ClinVar: RCV001171521
</span>
</div>
<div>
<span class="mim-text-font">
<p>For discussion of the c.479C-G transversion in the SC5D gene, resulting in a pro160-to-arg (P160R) substitution, that was found in compound heterozygous state in a patient with lathosterolosis (LATHOS; 607330) by Anderson et al. (2019), see 602286.0004. </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">
Anderson, R., Rust, S., Ashworth, J., Clayton-Smith, J., Taylor, R. L., Clayton, P. T., Morris, A. A. M.
<strong>Lathosterolosis: a relatively mild case with cataracts and learning difficulties.</strong>
JIMD Rep. 44: 79-84, 2019.
[PubMed: 30097991]
[Full Text: https://doi.org/10.1007/8904_2018_127]
</p>
</li>
<li>
<p class="mim-text-font">
Brunetti-Pierri, N., Corso, G., Rossi, M., Ferrari, P., Balli, F., Rivasi, F., Annunziata, I., Ballabio, A., Russo, A. D., Andria, G., Parenti, G.
<strong>Lathosterolosis, a novel multiple-malformation/mental retardation syndrome due to deficiency of 3-beta-hydroxysteroid-delta(5)-desaturase.</strong>
Am. J. Hum. Genet. 71: 952-958, 2002. Note: Erratum: Am. J. Hum. Genet. 73: 445 only, 2003.
[PubMed: 12189593]
[Full Text: https://doi.org/10.1086/342668]
</p>
</li>
<li>
<p class="mim-text-font">
Ho, A. C. C., Fung, C. W., Siu, T. S., Ma, O. C. K., Lam, C. W., Tam, S., Wong, V. C. N.
<strong>Lathosterolosis: a disorder of cholesterol biosynthesis resembling Smith-Lemli-Opitz syndrome.</strong>
JIMD Rep. 12: 129-134, 2014.
[PubMed: 24142275]
[Full Text: https://doi.org/10.1007/8904_2013_255]
</p>
</li>
<li>
<p class="mim-text-font">
Krakowiak, P. A., Wassif, C. A., Kratz, L., Cozma, D., Kovarova, M., Harris, G., Grinberg, A., Yang, Y., Hunter, A. G. W., Tsokos, M., Kelley, R. I., Porter, F. D.
<strong>Lathosterolosis: an inborn error of human and murine cholesterol synthesis due to lathosterol 5-desaturase deficiency.</strong>
Hum. Molec. Genet. 12: 1631-1641, 2003.
[PubMed: 12812989]
[Full Text: https://doi.org/10.1093/hmg/ddg172]
</p>
</li>
<li>
<p class="mim-text-font">
Matsushima, M., Inazawa, J., Takahashi, E., Suzumori, K., Nakamura, Y.
<strong>Molecular cloning and mapping of a human cDNA (SC5DL) encoding a protein homologous to fungal sterol-C5-desaturase.</strong>
Cytogenet. Cell Genet. 74: 252-254, 1996.
[PubMed: 8976377]
[Full Text: https://doi.org/10.1159/000134427]
</p>
</li>
<li>
<p class="mim-text-font">
Nishi, S., Nishino, H., Ishibashi, T.
<strong>cDNA cloning of the mammalian sterol C5-desaturase and the expression in yeast mutant.</strong>
Biochim. Biophys. Acta 1490: 106-108, 2000. Note: Erratum: Biochim. Biophys. Acta 1494: 211 only, 2000.
[PubMed: 10786622]
[Full Text: https://doi.org/10.1016/s0167-4781(99)00248-1]
</p>
</li>
<li>
<p class="mim-text-font">
Parnes, S., Hunter, A. G., Jimenez, C., Carpenter, B. F., MacDonald, I.
<strong>Apparent Smith-Lemli-Opitz syndrome in a child with a previously undescribed form of mucolipidosis not involving the neurons.</strong>
Am. J. Med. Genet. 35: 397-405, 1990.
[PubMed: 2309789]
[Full Text: https://doi.org/10.1002/ajmg.1320350317]
</p>
</li>
<li>
<p class="mim-text-font">
Rossi, M., D'Armiento, M., Parisi, I., Ferrari, P., Hall, C. M., Cervasio, M., Rivasi, F., Balli, F., Vecchione, R., Corso, G., Andria, G., Parenti, G.
<strong>Clinical phenotype of lathosterolosis.</strong>
Am. J. Med. Genet. 143A: 2371-2381, 2007.
[PubMed: 17853487]
[Full Text: https://doi.org/10.1002/ajmg.a.31929]
</p>
</li>
<li>
<p class="mim-text-font">
Sugawara, T., Fujimoto, Y., Ishibashi, T.
<strong>Molecular cloning and structural analysis of human sterol C5 desaturase.</strong>
Biochim. Biophys. Acta 1533: 277-284, 2001.
[PubMed: 11731337]
[Full Text: https://doi.org/10.1016/s1388-1981(01)00160-3]
</p>
</li>
</ol>
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Hilary J. Vernon - updated : 06/02/2020<br>George E. Tiller - updated : 4/26/2005<br>Victor A. McKusick - updated : 8/11/2003<br>Patricia A. Hartz - updated : 11/20/2002<br>Victor A. McKusick - updated : 10/31/2002
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