ClinVar Miner

Submissions for variant NM_000257.4(MYH7):c.2698G>A (p.Asp900Asn) (rs730880754)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000158562 SCV000208497 likely pathogenic not provided 2012-04-10 criteria provided, single submitter clinical testing The Asp900Asn variant in the MYH7 gene has not been reported previously as a disease-causing mutation or as a benign polymorphism, to our knowledge. Asp900Asn results in a semi-conservative amino acid substitution of a negatively charged Aspartic acid residue with a neutral, polar Asparagine residue at a position that is conserved across species. In silico analysis predicts Asp900Asn is probably damaging to the protein structure/function. Mutations in nearby residues (Glu894Gly, Ala901Gly, Ala901Pro, Glu903Gly, Glu903Lys) have been reported in association with cardiomyopathy, supporting the functional importance of this region of the protein. In addition, Asp900Asn was not observed in approximately 6,000 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. Therefore, the Asp900Asn variant in the MYH7 gene is a good candidate for a disease-causing mutation. The variant is found in HCM panel(s).

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