ClinVar Miner

Submissions for variant NM_004415.4(DSP):c.1426G>A (p.Val476Met) (rs367987327)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000181289 SCV000233579 uncertain significance not provided 2014-07-10 criteria provided, single submitter clinical testing p.Val476Met (GTG>ATG): c.1426 G>A in exon 12 of the DSP gene (NM_004415.2). The V476M variant has not been published as a mutation or as a benign polymorphism to our knowledge. The V476M variant was not observed with any significant frequency in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project. In addition, this substitution occurs at a position that is completely conserved in mammals. Moreover, in silico analysis predicts this variant is probably damaging to the protein structure/function. Furthermore, a missense mutations in a nearby residue (K470E) have been reported in association with ARVC, supporting the functional importance of this region of the protein. Nevertheless, the V476M variant is a conservative amino acid substitution, which is not likely to impact secondary protein structure as these residues share similar properties. Therefore, based on the currently available information, it is unclear whether this variant is a pathogenic mutation or a rare benign variant. The variant is found in CARDIOMYOPATHY panel(s).

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