ClinVar Miner

Submissions for variant NM_000257.4(MYH7):c.2815A>C (p.Lys939Gln)

dbSNP: rs1892589978
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001053446 SCV001217706 uncertain significance Hypertrophic cardiomyopathy 2023-10-28 criteria provided, single submitter clinical testing This sequence change replaces lysine, which is basic and polar, with glutamine, which is neutral and polar, at codon 939 of the MYH7 protein (p.Lys939Gln). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with MYH7-related conditions. ClinVar contains an entry for this variant (Variation ID: 849477). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt MYH7 protein function with a positive predictive value of 95%. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.
GeneDx RCV002509599 SCV002819079 uncertain significance not provided 2022-07-06 criteria provided, single submitter clinical testing Has not been previously published as pathogenic or benign to our knowledge; Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function

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