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Entry
- *608053 - ELECTRON TRANSFER FLAVOPROTEIN, ALPHA POLYPEPTIDE; ETFA
- OMIM
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<span class="h4">*608053</span>
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<strong>Table of Contents</strong>
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<a href="#title"><strong>Title</strong></a>
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<a href="#geneMap"><strong>Gene-Phenotype Relationships</strong></a>
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<a href="#text"><strong>Text</strong></a>
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<a href="#description">Description</a>
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<a href="#cloning">Cloning and Expression</a>
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<a href="#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="#allelicVariants"><strong>Allelic Variants</strong></a>
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</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=01979&isoform_id=01979_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/ETFA" 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/119636,182251,3757678,4433147,4503607,15930188,22652451,32879935,66267602,119619627,119619628,158259419,189181759,194390186,308219804,957949335,957949338,957949341" 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/P13804" 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">
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<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>
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<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=2108" 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=ENSG00000140374;t=ENST00000557943" 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=ETFA" 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=ETFA" 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+2108" 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/ETFA" 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:2108" 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/2108" 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=chr15&hgg_gene=ENST00000557943.6&hgg_start=76215353&hgg_end=76311469&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 id="mimClinicalResourcesLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
&nbsp;
<div style="display: table-cell;">Clinical Resources</div>
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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://search.clinicalgenome.org/kb/genes/HGNC:3481" class="mim-tip-hint" title="A ClinGen curated resource of ratings for the strength of evidence supporting or refuting the clinical validity of the claim(s) that variation in a particular gene causes disease." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'ClinGen Validity', 'domain': 'search.clinicalgenome.org'})">ClinGen Validity</a></div>
<div><a href="https://medlineplus.gov/genetics/gene/etfa" class="mim-tip-hint" title="Consumer-friendly information about the effects of genetic variation on human health." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'MedlinePlus Genetics', 'domain': 'medlineplus.gov'})">MedlinePlus Genetics</a></div>
<div><a href="https://www.ncbi.nlm.nih.gov/gtr/all/tests/?term=608053[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 class="panel panel-default" style="margin-top: 0px; border-radius: 0px">
<div class="panel-heading mim-panel-heading" role="tab" id="mimVariation">
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<span id="mimVariationLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5">&#9660;</span> Variation
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</span>
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<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=608053[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://www.deciphergenomics.org/gene/ETFA/overview/clinical-info" class="mim-tip-hint" title="DECIPHER" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'DECIPHER', 'domain': 'DECIPHER'})">DECIPHER</a></div>
<div><a href="https://gnomad.broadinstitute.org/gene/ENSG00000140374" 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=ETFA" 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=ETFA" 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=ETFA" 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=ETFA&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/PA27897" 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">
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<div id="mimAnimalModelsLinksToggleTriangle" class="small mimSingletonTriangle" style="color: #337CB5; display: table-cell;">&#9658;</div>
&nbsp;
<div style="display: table-cell;">Animal Models</div>
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</a>
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<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:3481" class="mim-tip-hint" title="Search Across Species; explore model organism and human comparative genomics." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'Alliance Genome', 'domain': 'alliancegenome.org'})">Alliance Genome</a></div>
<div><a href="https://flybase.org/reports/FBgn0010516.html" class="mim-tip-hint" title="A Database of Drosophila Genes and Genomes." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'FlyBase', 'domain': 'flybase.org'})">FlyBase</a></div>
<div><a href="https://www.mousephenotype.org/data/genes/MGI:106092" 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/ETFA#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:106092" 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/2108/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=2108" 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://wormbase.org/db/gene/gene?name=WBGene00009187;class=Gene" class="mim-tip-hint" title="Database of the biology and genome of Caenorhabditis elegans and related nematodes." target="_blank" onclick="gtag('event', 'mim_outbound', {'name'{'name': 'Wormbase Gene', 'domain': 'wormbase.org'})">Wormbase Gene</a></div>
<div><a href="https://zfin.org/ZDB-GENE-030131-4449" 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">
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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://reactome.org/content/query?q=ETFA&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">
&nbsp;
</div>
<div>
<span class="h3">
<span class="mim-font mim-tip-hint" title="Gene description">
<span class="text-danger"><strong>*</strong></span>
608053
</span>
</span>
</div>
</div>
<div>
<a id="preferredTitle" class="mim-anchor"></a>
<h3>
<span class="mim-font">
ELECTRON TRANSFER FLAVOPROTEIN, ALPHA POLYPEPTIDE; ETFA
</span>
</h3>
</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=ETFA" class="mim-tip-hint" title="HUGO Gene Nomenclature Committee." target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'HGNC', 'domain': 'genenames.org'})">ETFA</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/15/408?start=-3&limit=10&highlight=408">15q24.2-q24.3</a>
&nbsp;
Genomic coordinates <span class="small">(GRCh38)</span> : <a href="https://genome.ucsc.edu/cgi-bin/hgTracks?db=hg38&position=chr15:76215353-76311469&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'})">15:76,215,353-76,311,469</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>
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<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/15/408?start=-3&limit=10&highlight=408">
15q24.2-q24.3
</a>
</span>
</td>
<td>
<span class="mim-font">
Glutaric acidemia IIA
</span>
</td>
<td>
<span class="mim-font">
<a href="/entry/231680"> 231680 </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>
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PheneGene Graphics <span class="caret"></span>
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<li><a href="/graph/linear/608053" target="_blank" onclick="gtag('event', 'mim_graph', {'destination': 'Linear'})"> Linear </a></li>
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<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 />
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<div>
<a id="text" class="mim-anchor"></a>
<h4>
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<span class="mim-tip-floating" qtip_title="<strong>Looking For More References?</strong>" qtip_text="Click the 'reference plus' icon &lt;span class='glyphicon glyphicon-plus-sign'&gt;&lt;/span&gt at the end of each OMIM text paragraph to see more references related to the content of the preceding paragraph.">
<strong>TEXT</strong>
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</h4>
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<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>
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<strong>Description</strong>
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<div id="mimDescriptionFold" class="collapse in ">
<span class="mim-text-font">
<p>Electron transfer flavoprotein (ETF) exists in the mitochondrial matrix as a heterodimer of 30-kD alpha subunits (ETFA) and 28-kD beta subunits (ETFB; <a href="/entry/130410">130410</a>) and contains 1 flavin adenine dinucleotide (FAD) and 1 adenosine 5-prime monophosphate (AMP) per heterodimer. ETFDH (<a href="/entry/231675">231675</a>), a 64-kD monomer integrated in the inner mitochondrial membrane, contains 1 molecule of FAD and a 4Fe-4S cluster. Both enzymes are required for electron transfer from at least 9 mitochondrial flavin-containing dehydrogenases to the main respiratory chain. Multiple acyl-CoA dehydrogenation deficiency (MADD; <a href="/entry/231680">231680</a>), also known as glutaric acidemia II or glutaric aciduria II, can be caused by mutation in any of the 3 ETF genes. The disorders resulting from defects in the ETFA, ETFB, and ETFDH genes are referred to as glutaric acidemia IIA, IIB, and IIC, respectively, although there appears to be no difference in the clinical phenotypes.</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">
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<strong>Cloning and Expression</strong>
</span>
</h4>
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<div id="mimCloningFold" class="collapse in mimTextToggleFold">
<span class="mim-text-font">
<p><a href="#3" class="mim-tip-reference" title="Finocchiaro, G., Ito, M., Ikeda, Y., Tanaka, K. &lt;strong&gt;Molecular cloning and nucleotide sequence of cDNAs encoding the alpha-subunit of human electron transfer flavoprotein.&lt;/strong&gt; J. Biol. Chem. 263: 15773-15780, 1988.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/3170610/&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;3170610&lt;/a&gt;]" pmid="3170610">Finocchiaro et al. (1988)</a> cloned and sequenced cDNAs encoding the precursor of the alpha subunit of ETF. The cDNAs contained the entire coding region of 333 amino acids. The calculated molecular mass of the human precursor was 35,084. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=3170610" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p><p><a href="#6" class="mim-tip-reference" title="Olsen, R. K. J., Andresen, B. S., Christensen, E., Bross, P., Skovby, F., Gregersen, N. &lt;strong&gt;Clear relationship between ETF/ETFDH genotype and phenotype in patients with multiple acyl-CoA dehydrogenation deficiency.&lt;/strong&gt; Hum. Mutat. 22: 12-23, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12815589/&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;12815589&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.10226&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="12815589">Olsen et al. (2003)</a> identified an alternatively spliced form of ETFA that lacks exon 2. The resulting protein has a 49-amino acid deletion compared with the full-length form. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12815589" 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="geneStructure" class="mim-anchor"></a>
<h4 href="#mimGeneStructureFold" id="mimGeneStructureToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimGeneStructureToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<span class="mim-font">
<strong>Gene Structure</strong>
</span>
</h4>
</div>
<div id="mimGeneStructureFold" class="collapse in mimTextToggleFold">
<span class="mim-text-font">
<p><a href="#6" class="mim-tip-reference" title="Olsen, R. K. J., Andresen, B. S., Christensen, E., Bross, P., Skovby, F., Gregersen, N. &lt;strong&gt;Clear relationship between ETF/ETFDH genotype and phenotype in patients with multiple acyl-CoA dehydrogenation deficiency.&lt;/strong&gt; Hum. Mutat. 22: 12-23, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12815589/&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;12815589&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.10226&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="12815589">Olsen et al. (2003)</a> determined that the ETFA gene contains 12 exons. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12815589" 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="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">
<span class="mim-text-font">
<p>By Southern analysis of somatic cell hybrid DNA and in situ hybridization using a cDNA clone, <a href="#2" class="mim-tip-reference" title="Finocchiaro, G., Ikeda, Y., Barton, D., Francke, U., Tanaka, K. &lt;strong&gt;Molecular cloning and gene mapping of alpha-subunit of human electron transfer flavoprotein. (Abstract)&lt;/strong&gt; Am. J. Hum. Genet. 41: A214, 1987."None>Finocchiaro et al. (1987)</a> and <a href="#1" class="mim-tip-reference" title="Barton, D. E., Yang-Feng, T. L., Finocchiaro, G., Ozasa, H., Tanaka, K., Francke, U. &lt;strong&gt;Short chain acyl-CoA dehydrogenase (ACADS) maps to chromosome 12 (q22-qter) and electron transfer flavoprotein (ETFA) to 15 (q23-q25). (Abstract)&lt;/strong&gt; Cytogenet. Cell Genet. 46: 577-578, 1987."None>Barton et al. (1987)</a> showed that the ETFA gene is located on chromosome 15q23-q25.</p><p><a href="#8" class="mim-tip-reference" title="White, R. A., Dowler, L. L., Angeloni, S. V., Koeller, D. M. &lt;strong&gt;Assignment of Etfdh, Etfb, and Etfa to chromosomes 3, 7, and 13: the mouse homologs of genes responsible for glutaric acidemia type II in human.&lt;/strong&gt; Genomics 33: 131-134, 1996.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/8617498/&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;8617498&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1006/geno.1996.0170&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="8617498">White et al. (1996)</a> demonstrated that the homologous gene in the mouse (Etfa) is located on chromosome 13. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8617498" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
</span>
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<div>
<a id="molecularGenetics" class="mim-anchor"></a>
<h4 href="#mimMolecularGeneticsFold" id="mimMolecularGeneticsToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span id="mimMolecularGeneticsToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
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<strong>Molecular Genetics</strong>
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<span class="mim-text-font">
<p><a href="#5" class="mim-tip-reference" title="Indo, Y., Glassberg, R., Yokota, I., Tanaka, K. &lt;strong&gt;Molecular characterization of variant alpha-subunit of electron transfer flavoprotein in three patients with glutaric acidemia type II--and identification of glycine substitution for valine-157 in the sequence of the precursor, producing an unstable mature protein in a patient.&lt;/strong&gt; Am. J. Hum. Genet. 49: 575-580, 1991.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/1882842/&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;1882842&lt;/a&gt;]" pmid="1882842">Indo et al. (1991)</a>, <a href="#7" class="mim-tip-reference" title="Rhead, W. J., Freneaux, E., Sheffield, V. C., Molin, L., Shires, A. &lt;strong&gt;Glutaric acidemia type II (GAII): heterogeneity in beta-oxidation flux, polypeptide synthesis and cDNA mutations in the alpha-subunit of electron transfer flavoprotein in 8 patients. (Abstract)&lt;/strong&gt; Am. J. Hum. Genet. 51 (suppl.): A175, 1992."None>Rhead et al. (1992)</a>, and <a href="#4" class="mim-tip-reference" title="Freneaux, E., Sheffield, V. C., Molin, L., Shires, A., Rhead, W. J. &lt;strong&gt;Glutaric acidemia type II: heterogeneity in beta-oxidation flux, polypeptide synthesis, and complementary DNA mutations in the alpha-subunit of electron transfer flavoprotein in eight patients.&lt;/strong&gt; J. Clin. Invest. 90: 1679-1686, 1992.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/1430199/&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;1430199&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1172/JCI116040&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="1430199">Freneaux et al. (1992)</a> identified mutations in the ETFA gene in patients with glutaric acidemia IIA (e.g., <a href="#0001">608053.0001</a>). <a href="https://pubmed.ncbi.nlm.nih.gov/?term=1430199+1882842" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
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<a id="allelicVariants" class="mim-anchor"></a>
<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>5 Selected Examples</a>):</strong>
</span>
</h4>
<div>
<p />
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<div id="mimAllelicVariantsFold" class="collapse in mimTextToggleFold">
<div>
<a href="/allelicVariants/608053" class="btn btn-default" role="button"> Table View </a>
&nbsp;&nbsp;<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=608053[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>
<h4>
<span class="mim-font">
<strong>.0001&nbsp;GLUTARIC ACIDEMIA IIA</strong>
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</h4>
</div>
<div>
<span class="mim-text-font">
<div style="float: left;">
ETFA, VAL157GLY
</div>
</span>
&nbsp;&nbsp;
<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs119458969 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs119458969;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/rs119458969?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=rs119458969" 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=rs119458969" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
<span class="mim-text-font">
<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000002711 OR RCV002281690" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000002711, RCV002281690" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000002711...</a>
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a patient with glutaric acidemia IIA (<a href="/entry/231680">231680</a>), <a href="#5" class="mim-tip-reference" title="Indo, Y., Glassberg, R., Yokota, I., Tanaka, K. &lt;strong&gt;Molecular characterization of variant alpha-subunit of electron transfer flavoprotein in three patients with glutaric acidemia type II--and identification of glycine substitution for valine-157 in the sequence of the precursor, producing an unstable mature protein in a patient.&lt;/strong&gt; Am. J. Hum. Genet. 49: 575-580, 1991.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/1882842/&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;1882842&lt;/a&gt;]" pmid="1882842">Indo et al. (1991)</a> identified a transversion of T470 to G in the ETFA gene. The transversion caused substitution of glycine for valine-157 and resulted in an unstable ETFA. The patient was homozygous. <a href="#4" class="mim-tip-reference" title="Freneaux, E., Sheffield, V. C., Molin, L., Shires, A., Rhead, W. J. &lt;strong&gt;Glutaric acidemia type II: heterogeneity in beta-oxidation flux, polypeptide synthesis, and complementary DNA mutations in the alpha-subunit of electron transfer flavoprotein in eight patients.&lt;/strong&gt; J. Clin. Invest. 90: 1679-1686, 1992.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/1430199/&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;1430199&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1172/JCI116040&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="1430199">Freneaux et al. (1992)</a> found the same mutation in a compound heterozygote with neonatal onset. <a href="https://pubmed.ncbi.nlm.nih.gov/?term=1430199+1882842" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
</span>
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<a id="0002" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>.0002&nbsp;GLUTARIC ACIDEMIA IIA</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
<div style="float: left;">
ETFA, THR266MET
</div>
</span>
&nbsp;&nbsp;
<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs119458970 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs119458970;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/rs119458970?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=rs119458970" 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=rs119458970" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
<span class="mim-text-font">
<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000002712 OR RCV000185868 OR RCV000332032 OR RCV003904798" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000002712, RCV000185868, RCV000332032, RCV003904798" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000002712...</a>
</span>
</div>
<div>
<span class="mim-text-font">
<p>In 4 unrelated patients with glutaric acidemia IIA (<a href="/entry/231680">231680</a>), <a href="#7" class="mim-tip-reference" title="Rhead, W. J., Freneaux, E., Sheffield, V. C., Molin, L., Shires, A. &lt;strong&gt;Glutaric acidemia type II (GAII): heterogeneity in beta-oxidation flux, polypeptide synthesis and cDNA mutations in the alpha-subunit of electron transfer flavoprotein in 8 patients. (Abstract)&lt;/strong&gt; Am. J. Hum. Genet. 51 (suppl.): A175, 1992."None>Rhead et al. (1992)</a> and <a href="#4" class="mim-tip-reference" title="Freneaux, E., Sheffield, V. C., Molin, L., Shires, A., Rhead, W. J. &lt;strong&gt;Glutaric acidemia type II: heterogeneity in beta-oxidation flux, polypeptide synthesis, and complementary DNA mutations in the alpha-subunit of electron transfer flavoprotein in eight patients.&lt;/strong&gt; J. Clin. Invest. 90: 1679-1686, 1992.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/1430199/&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;1430199&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1172/JCI116040&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="1430199">Freneaux et al. (1992)</a> found a substitution of methionine for threonine at codon 266. One of the patients was homozygous for the thr266-to-met mutation (T266M); the other 3 were compound heterozygotes. All 4 showed neonatal onset. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=1430199" 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 Belgian infant with glutaric acidemia IIA of the clinical form II (neonatal onset without congenital anomalies), <a href="#6" class="mim-tip-reference" title="Olsen, R. K. J., Andresen, B. S., Christensen, E., Bross, P., Skovby, F., Gregersen, N. &lt;strong&gt;Clear relationship between ETF/ETFDH genotype and phenotype in patients with multiple acyl-CoA dehydrogenation deficiency.&lt;/strong&gt; Hum. Mutat. 22: 12-23, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12815589/&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;12815589&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.10226&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="12815589">Olsen et al. (2003)</a> found compound heterozygosity for 2 mutations in the ETFA gene: the T266M mutation in exon 9 and a 1-bp deletion of the consensus G at the 5-prime donor splice site of intron 11 (IVS11+1delG; <a href="#0005">608053.0005</a>), resulting in an 81-bp deletion in the cDNA and deletion of thr295 to lys321 in the protein. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12815589" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
</span>
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<div>
<div>
<a id="0003" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>.0003&nbsp;GLUTARIC ACIDEMIA IIA</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
<div style="float: left;">
ETFA, GLY116ARG
</div>
</span>
&nbsp;&nbsp;
<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs119458971 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs119458971;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/rs119458971?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=rs119458971" 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=rs119458971" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
<span class="mim-text-font">
<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000002713 OR RCV003472959" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000002713, RCV003472959" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000002713...</a>
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a patient with neonatal-onset glutaric acidemia IIA (<a href="/entry/231680">231680</a>), <a href="#4" class="mim-tip-reference" title="Freneaux, E., Sheffield, V. C., Molin, L., Shires, A., Rhead, W. J. &lt;strong&gt;Glutaric acidemia type II: heterogeneity in beta-oxidation flux, polypeptide synthesis, and complementary DNA mutations in the alpha-subunit of electron transfer flavoprotein in eight patients.&lt;/strong&gt; J. Clin. Invest. 90: 1679-1686, 1992.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/1430199/&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;1430199&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1172/JCI116040&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="1430199">Freneaux et al. (1992)</a> found compound heterozygosity for the thr266-to-met mutation (<a href="/entry/231680#0002">231680.0002</a>) and another mutation involving a G-to-A transition at nucleotide 346 resulting in a gly116-to-arg substitution. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=1430199" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
</span>
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<a id="0004" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>.0004&nbsp;GLUTARIC ACIDEMIA IIA</strong>
</span>
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<span class="mim-text-font">
<div style="float: left;">
ETFA, 3-BP DEL, NT808
</div>
</span>
&nbsp;&nbsp;
<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs779140971 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs779140971;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/rs779140971?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=rs779140971" 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=rs779140971" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
<span class="mim-text-font">
<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV001577514 OR RCV001780410 OR RCV002267117" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV001577514, RCV001780410, RCV002267117" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV001577514...</a>
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a patient with neonatal-onset glutaric acidemia IIA (<a href="/entry/231680">231680</a>), <a href="#4" class="mim-tip-reference" title="Freneaux, E., Sheffield, V. C., Molin, L., Shires, A., Rhead, W. J. &lt;strong&gt;Glutaric acidemia type II: heterogeneity in beta-oxidation flux, polypeptide synthesis, and complementary DNA mutations in the alpha-subunit of electron transfer flavoprotein in eight patients.&lt;/strong&gt; J. Clin. Invest. 90: 1679-1686, 1992.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/1430199/&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;1430199&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1172/JCI116040&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="1430199">Freneaux et al. (1992)</a> found compound heterozygosity for the thr266-to-met mutation (<a href="/entry/231680#0002">231680.0002</a>) and a 3-bp deletion of nucleotides 808-810 (or 809-811), resulting in deletion of codon 270 (phenylalanine). <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=1430199" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
</span>
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<a id="0005" class="mim-anchor"></a>
<h4>
<span class="mim-font">
<strong>.0005&nbsp;GLUTARIC ACIDEMIA IIA</strong>
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<span class="mim-text-font">
<div style="float: left;">
ETFA, IVS11DS, 1-BP DEL, +1G
</div>
</span>
&nbsp;&nbsp;
<div class="btn-group"> <button type="button" class="btn btn-default btn-xs dropdown-toggle mim-font" data-toggle="dropdown"><span class="text-primary">&#x25cf;</span> rs746488455 <span class="caret"></span></button> <ul class="dropdown-menu"> <li><a href="https://www.ensembl.org/Homo_sapiens/Variation/Summary?v=rs746488455;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/rs746488455?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=rs746488455" 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=rs746488455" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'dbSNP', 'domain': 'genome.ucsc.edu'})">UCSC</a></li> </ul> </div>
<span class="mim-text-font">
<a href="https://www.ncbi.nlm.nih.gov/clinvar?term=RCV000002715 OR RCV002496235 OR RCV003155011" target="_blank" class="btn btn-default btn-xs mim-tip-hint" title="RCV000002715, RCV002496235, RCV003155011" onclick="gtag('event', 'mim_outbound', {'name': 'ClinVar', 'domain': 'ncbi.nlm.nih.gov'})">RCV000002715...</a>
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a Belgian infant with glutaric acidemia IIA (<a href="/entry/231680">231680</a>) of the clinical form II (neonatal onset without congenital anomalies), <a href="#6" class="mim-tip-reference" title="Olsen, R. K. J., Andresen, B. S., Christensen, E., Bross, P., Skovby, F., Gregersen, N. &lt;strong&gt;Clear relationship between ETF/ETFDH genotype and phenotype in patients with multiple acyl-CoA dehydrogenation deficiency.&lt;/strong&gt; Hum. Mutat. 22: 12-23, 2003.[PubMed: &lt;a href=&quot;https://pubmed.ncbi.nlm.nih.gov/12815589/&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;12815589&lt;/a&gt;] [&lt;a href=&quot;https://doi.org/10.1002/humu.10226&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="12815589">Olsen et al. (2003)</a> found compound heterozygosity for 2 mutations in the ETFA gene: the thr266-to-met mutation (T266M; <a href="#0002">608053.0002</a>) in exon 9 and a 1-bp deletion of the consensus G at the 5-prime donor splice site of intron 11 (IVS11+1delG), resulting in an 81-bp deletion in the cDNA and deletion of thr295 to lys321 in the protein. <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12815589" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})"><span class="glyphicon glyphicon-plus-sign mim-tip-hint" title="Click this 'reference-plus' icon to see articles related to this paragraph in PubMed."></span></a></p>
</span>
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<a id="references"class="mim-anchor"></a>
<h4 href="#mimReferencesFold" id="mimReferencesToggle" class="mimTriangleToggle" style="cursor: pointer;" data-toggle="collapse">
<span class="mim-font">
<span id="mimReferencesToggleTriangle" class="small mimTextToggleTriangle">&#9660;</span>
<strong>REFERENCES</strong>
</span>
</h4>
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</div>
<div id="mimReferencesFold" class="collapse in mimTextToggleFold">
<ol>
<li>
<a id="1" class="mim-anchor"></a>
<a id="Barton1987" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Barton, D. E., Yang-Feng, T. L., Finocchiaro, G., Ozasa, H., Tanaka, K., Francke, U.
<strong>Short chain acyl-CoA dehydrogenase (ACADS) maps to chromosome 12 (q22-qter) and electron transfer flavoprotein (ETFA) to 15 (q23-q25). (Abstract)</strong>
Cytogenet. Cell Genet. 46: 577-578, 1987.
</p>
</div>
</li>
<li>
<a id="2" class="mim-anchor"></a>
<a id="Finocchiaro1987" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Finocchiaro, G., Ikeda, Y., Barton, D., Francke, U., Tanaka, K.
<strong>Molecular cloning and gene mapping of alpha-subunit of human electron transfer flavoprotein. (Abstract)</strong>
Am. J. Hum. Genet. 41: A214, 1987.
</p>
</div>
</li>
<li>
<a id="3" class="mim-anchor"></a>
<a id="Finocchiaro1988" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Finocchiaro, G., Ito, M., Ikeda, Y., Tanaka, K.
<strong>Molecular cloning and nucleotide sequence of cDNAs encoding the alpha-subunit of human electron transfer flavoprotein.</strong>
J. Biol. Chem. 263: 15773-15780, 1988.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/3170610/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">3170610</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=3170610" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
</p>
</div>
</li>
<li>
<a id="4" class="mim-anchor"></a>
<a id="Freneaux1992" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Freneaux, E., Sheffield, V. C., Molin, L., Shires, A., Rhead, W. J.
<strong>Glutaric acidemia type II: heterogeneity in beta-oxidation flux, polypeptide synthesis, and complementary DNA mutations in the alpha-subunit of electron transfer flavoprotein in eight patients.</strong>
J. Clin. Invest. 90: 1679-1686, 1992.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/1430199/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">1430199</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=1430199" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1172/JCI116040" target="_blank">Full Text</a>]
</p>
</div>
</li>
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<a id="5" class="mim-anchor"></a>
<a id="Indo1991" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Indo, Y., Glassberg, R., Yokota, I., Tanaka, K.
<strong>Molecular characterization of variant alpha-subunit of electron transfer flavoprotein in three patients with glutaric acidemia type II--and identification of glycine substitution for valine-157 in the sequence of the precursor, producing an unstable mature protein in a patient.</strong>
Am. J. Hum. Genet. 49: 575-580, 1991.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/1882842/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">1882842</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=1882842" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
</p>
</div>
</li>
<li>
<a id="6" class="mim-anchor"></a>
<a id="Olsen2003" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Olsen, R. K. J., Andresen, B. S., Christensen, E., Bross, P., Skovby, F., Gregersen, N.
<strong>Clear relationship between ETF/ETFDH genotype and phenotype in patients with multiple acyl-CoA dehydrogenation deficiency.</strong>
Hum. Mutat. 22: 12-23, 2003.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/12815589/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">12815589</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=12815589" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1002/humu.10226" target="_blank">Full Text</a>]
</p>
</div>
</li>
<li>
<a id="7" class="mim-anchor"></a>
<a id="Rhead1992" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
Rhead, W. J., Freneaux, E., Sheffield, V. C., Molin, L., Shires, A.
<strong>Glutaric acidemia type II (GAII): heterogeneity in beta-oxidation flux, polypeptide synthesis and cDNA mutations in the alpha-subunit of electron transfer flavoprotein in 8 patients. (Abstract)</strong>
Am. J. Hum. Genet. 51 (suppl.): A175, 1992.
</p>
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</li>
<li>
<a id="8" class="mim-anchor"></a>
<a id="White1996" class="mim-anchor"></a>
<div class="">
<p class="mim-text-font">
White, R. A., Dowler, L. L., Angeloni, S. V., Koeller, D. M.
<strong>Assignment of Etfdh, Etfb, and Etfa to chromosomes 3, 7, and 13: the mouse homologs of genes responsible for glutaric acidemia type II in human.</strong>
Genomics 33: 131-134, 1996.
[PubMed: <a href="https://pubmed.ncbi.nlm.nih.gov/8617498/" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">8617498</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/?cmd=link&linkname=pubmed_pubmed&from_uid=8617498" target="_blank" onclick="gtag('event', 'mim_outbound', {'name': 'PubMed Related', 'domain': 'pubmed.ncbi.nlm.nih.gov'})">related citations</a>]
[<a href="https://doi.org/10.1006/geno.1996.0170" target="_blank">Full Text</a>]
</p>
</div>
</li>
</ol>
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<div>
<a id="creationDate" class="mim-anchor"></a>
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Creation Date:
</span>
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<div class="col-lg-6 col-md-6 col-sm-6 col-xs-6">
<span class="mim-text-font">
Victor A. McKusick : 8/19/2003
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<a id="editHistory" class="mim-anchor"></a>
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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 : 07/27/2011
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terry : 4/21/2005<br>terry : 4/7/2005<br>terry : 3/16/2005<br>mgross : 8/19/2003
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<strong>*</strong> 608053
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<span class="mim-font">
ELECTRON TRANSFER FLAVOPROTEIN, ALPHA POLYPEPTIDE; ETFA
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<strong><em>HGNC Approved Gene Symbol: ETFA</em></strong>
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<span class="mim-text-font">
<strong>
<em>
Cytogenetic location: 15q24.2-q24.3
&nbsp;
Genomic coordinates <span class="small">(GRCh38)</span> : 15:76,215,353-76,311,469 </span>
</em>
</strong>
<span class="small">(from NCBI)</span>
</span>
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<strong>Gene-Phenotype Relationships</strong>
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<table class="table table-bordered table-condensed small mim-table-padding">
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<th>
Location
</th>
<th>
Phenotype
</th>
<th>
Phenotype <br /> MIM number
</th>
<th>
Inheritance
</th>
<th>
Phenotype <br /> mapping key
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<tbody>
<tr>
<td rowspan="1">
<span class="mim-font">
15q24.2-q24.3
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</td>
<td>
<span class="mim-font">
Glutaric acidemia IIA
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</td>
<td>
<span class="mim-font">
231680
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<td>
<span class="mim-font">
Autosomal recessive
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<span class="mim-font">
3
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<strong>TEXT</strong>
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<strong>Description</strong>
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<span class="mim-text-font">
<p>Electron transfer flavoprotein (ETF) exists in the mitochondrial matrix as a heterodimer of 30-kD alpha subunits (ETFA) and 28-kD beta subunits (ETFB; 130410) and contains 1 flavin adenine dinucleotide (FAD) and 1 adenosine 5-prime monophosphate (AMP) per heterodimer. ETFDH (231675), a 64-kD monomer integrated in the inner mitochondrial membrane, contains 1 molecule of FAD and a 4Fe-4S cluster. Both enzymes are required for electron transfer from at least 9 mitochondrial flavin-containing dehydrogenases to the main respiratory chain. Multiple acyl-CoA dehydrogenation deficiency (MADD; 231680), also known as glutaric acidemia II or glutaric aciduria II, can be caused by mutation in any of the 3 ETF genes. The disorders resulting from defects in the ETFA, ETFB, and ETFDH genes are referred to as glutaric acidemia IIA, IIB, and IIC, respectively, although there appears to be no difference in the clinical phenotypes.</p>
</span>
<div>
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<h4>
<span class="mim-font">
<strong>Cloning and Expression</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Finocchiaro et al. (1988) cloned and sequenced cDNAs encoding the precursor of the alpha subunit of ETF. The cDNAs contained the entire coding region of 333 amino acids. The calculated molecular mass of the human precursor was 35,084. </p><p>Olsen et al. (2003) identified an alternatively spliced form of ETFA that lacks exon 2. The resulting protein has a 49-amino acid deletion compared with the full-length form. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Gene Structure</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Olsen et al. (2003) determined that the ETFA gene contains 12 exons. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Mapping</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>By Southern analysis of somatic cell hybrid DNA and in situ hybridization using a cDNA clone, Finocchiaro et al. (1987) and Barton et al. (1987) showed that the ETFA gene is located on chromosome 15q23-q25.</p><p>White et al. (1996) demonstrated that the homologous gene in the mouse (Etfa) is located on chromosome 13. </p>
</span>
<div>
<br />
</div>
<div>
<h4>
<span class="mim-font">
<strong>Molecular Genetics</strong>
</span>
</h4>
</div>
<span class="mim-text-font">
<p>Indo et al. (1991), Rhead et al. (1992), and Freneaux et al. (1992) identified mutations in the ETFA gene in patients with glutaric acidemia IIA (e.g., 608053.0001). </p>
</span>
<div>
<br />
</div>
</div>
<div>
<h4>
<span class="mim-font">
<strong>ALLELIC VARIANTS</strong>
</span>
<strong>5 Selected Examples):</strong>
</span>
</h4>
<div>
<p />
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0001 &nbsp; GLUTARIC ACIDEMIA IIA</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
ETFA, VAL157GLY
<br />
SNP: rs119458969,
gnomAD: rs119458969,
ClinVar: RCV000002711, RCV002281690
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a patient with glutaric acidemia IIA (231680), Indo et al. (1991) identified a transversion of T470 to G in the ETFA gene. The transversion caused substitution of glycine for valine-157 and resulted in an unstable ETFA. The patient was homozygous. Freneaux et al. (1992) found the same mutation in a compound heterozygote with neonatal onset. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0002 &nbsp; GLUTARIC ACIDEMIA IIA</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
ETFA, THR266MET
<br />
SNP: rs119458970,
gnomAD: rs119458970,
ClinVar: RCV000002712, RCV000185868, RCV000332032, RCV003904798
</span>
</div>
<div>
<span class="mim-text-font">
<p>In 4 unrelated patients with glutaric acidemia IIA (231680), Rhead et al. (1992) and Freneaux et al. (1992) found a substitution of methionine for threonine at codon 266. One of the patients was homozygous for the thr266-to-met mutation (T266M); the other 3 were compound heterozygotes. All 4 showed neonatal onset. </p><p>In a Belgian infant with glutaric acidemia IIA of the clinical form II (neonatal onset without congenital anomalies), Olsen et al. (2003) found compound heterozygosity for 2 mutations in the ETFA gene: the T266M mutation in exon 9 and a 1-bp deletion of the consensus G at the 5-prime donor splice site of intron 11 (IVS11+1delG; 608053.0005), resulting in an 81-bp deletion in the cDNA and deletion of thr295 to lys321 in the protein. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0003 &nbsp; GLUTARIC ACIDEMIA IIA</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
ETFA, GLY116ARG
<br />
SNP: rs119458971,
gnomAD: rs119458971,
ClinVar: RCV000002713, RCV003472959
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a patient with neonatal-onset glutaric acidemia IIA (231680), Freneaux et al. (1992) found compound heterozygosity for the thr266-to-met mutation (231680.0002) and another mutation involving a G-to-A transition at nucleotide 346 resulting in a gly116-to-arg substitution. </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0004 &nbsp; GLUTARIC ACIDEMIA IIA</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
ETFA, 3-BP DEL, NT808
<br />
SNP: rs779140971,
gnomAD: rs779140971,
ClinVar: RCV001577514, RCV001780410, RCV002267117
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a patient with neonatal-onset glutaric acidemia IIA (231680), Freneaux et al. (1992) found compound heterozygosity for the thr266-to-met mutation (231680.0002) and a 3-bp deletion of nucleotides 808-810 (or 809-811), resulting in deletion of codon 270 (phenylalanine). </p>
</span>
</div>
<div>
<br />
</div>
</div>
<div>
<div>
<h4>
<span class="mim-font">
<strong>.0005 &nbsp; GLUTARIC ACIDEMIA IIA</strong>
</span>
</h4>
</div>
<div>
<span class="mim-text-font">
ETFA, IVS11DS, 1-BP DEL, +1G
<br />
SNP: rs746488455,
gnomAD: rs746488455,
ClinVar: RCV000002715, RCV002496235, RCV003155011
</span>
</div>
<div>
<span class="mim-text-font">
<p>In a Belgian infant with glutaric acidemia IIA (231680) of the clinical form II (neonatal onset without congenital anomalies), Olsen et al. (2003) found compound heterozygosity for 2 mutations in the ETFA gene: the thr266-to-met mutation (T266M; 608053.0002) in exon 9 and a 1-bp deletion of the consensus G at the 5-prime donor splice site of intron 11 (IVS11+1delG), resulting in an 81-bp deletion in the cDNA and deletion of thr295 to lys321 in the protein. </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">
Barton, D. E., Yang-Feng, T. L., Finocchiaro, G., Ozasa, H., Tanaka, K., Francke, U.
<strong>Short chain acyl-CoA dehydrogenase (ACADS) maps to chromosome 12 (q22-qter) and electron transfer flavoprotein (ETFA) to 15 (q23-q25). (Abstract)</strong>
Cytogenet. Cell Genet. 46: 577-578, 1987.
</p>
</li>
<li>
<p class="mim-text-font">
Finocchiaro, G., Ikeda, Y., Barton, D., Francke, U., Tanaka, K.
<strong>Molecular cloning and gene mapping of alpha-subunit of human electron transfer flavoprotein. (Abstract)</strong>
Am. J. Hum. Genet. 41: A214, 1987.
</p>
</li>
<li>
<p class="mim-text-font">
Finocchiaro, G., Ito, M., Ikeda, Y., Tanaka, K.
<strong>Molecular cloning and nucleotide sequence of cDNAs encoding the alpha-subunit of human electron transfer flavoprotein.</strong>
J. Biol. Chem. 263: 15773-15780, 1988.
[PubMed: 3170610]
</p>
</li>
<li>
<p class="mim-text-font">
Freneaux, E., Sheffield, V. C., Molin, L., Shires, A., Rhead, W. J.
<strong>Glutaric acidemia type II: heterogeneity in beta-oxidation flux, polypeptide synthesis, and complementary DNA mutations in the alpha-subunit of electron transfer flavoprotein in eight patients.</strong>
J. Clin. Invest. 90: 1679-1686, 1992.
[PubMed: 1430199]
[Full Text: https://doi.org/10.1172/JCI116040]
</p>
</li>
<li>
<p class="mim-text-font">
Indo, Y., Glassberg, R., Yokota, I., Tanaka, K.
<strong>Molecular characterization of variant alpha-subunit of electron transfer flavoprotein in three patients with glutaric acidemia type II--and identification of glycine substitution for valine-157 in the sequence of the precursor, producing an unstable mature protein in a patient.</strong>
Am. J. Hum. Genet. 49: 575-580, 1991.
[PubMed: 1882842]
</p>
</li>
<li>
<p class="mim-text-font">
Olsen, R. K. J., Andresen, B. S., Christensen, E., Bross, P., Skovby, F., Gregersen, N.
<strong>Clear relationship between ETF/ETFDH genotype and phenotype in patients with multiple acyl-CoA dehydrogenation deficiency.</strong>
Hum. Mutat. 22: 12-23, 2003.
[PubMed: 12815589]
[Full Text: https://doi.org/10.1002/humu.10226]
</p>
</li>
<li>
<p class="mim-text-font">
Rhead, W. J., Freneaux, E., Sheffield, V. C., Molin, L., Shires, A.
<strong>Glutaric acidemia type II (GAII): heterogeneity in beta-oxidation flux, polypeptide synthesis and cDNA mutations in the alpha-subunit of electron transfer flavoprotein in 8 patients. (Abstract)</strong>
Am. J. Hum. Genet. 51 (suppl.): A175, 1992.
</p>
</li>
<li>
<p class="mim-text-font">
White, R. A., Dowler, L. L., Angeloni, S. V., Koeller, D. M.
<strong>Assignment of Etfdh, Etfb, and Etfa to chromosomes 3, 7, and 13: the mouse homologs of genes responsible for glutaric acidemia type II in human.</strong>
Genomics 33: 131-134, 1996.
[PubMed: 8617498]
[Full Text: https://doi.org/10.1006/geno.1996.0170]
</p>
</li>
</ol>
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