ClinVar Miner

Submissions for variant NM_000257.4(MYH7):c.373G>T (p.Val125Phe)

dbSNP: rs730880729
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000158729 SCV000208664 uncertain significance not provided 2014-07-30 criteria provided, single submitter clinical testing p.Val125Phe (GTC>TTC): c.373 G>T in exon 5 of the MYH7 gene (NM_000257.2). A variant of unknown significance has been identified in the MYH7 gene. The V125F variant has not been published as a mutation, nor has it been reported as a benign polymorphism to our knowledge. The V125F variant was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. The V125F variant is a semi-conservative amino acid substitution, which may impact secondary protein structure as these residues differ in some properties. Additionally, this substitution occurs at a position that is conserved across species and in silico analysis predicts this variant is probably damaging to the protein structure/function. Furthermore, a missense mutation in a nearby residue (T124I) has been reported in association with hypertrophic cardiomyopathy, further supporting the functional importance of this region of the protein. Therefore, this variant is a strong candidate for a pathogenic mutation, however the possibility that it is a benign variant cannot be excluded. The variant is found in HCM panel(s).

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