ClinVar Miner

Submissions for variant NM_000257.4(MYH7):c.634G>A (p.Gly212Ser)

dbSNP: rs1244877100
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001036827 SCV001200210 uncertain significance Hypertrophic cardiomyopathy 2023-03-23 criteria provided, single submitter clinical testing ClinVar contains an entry for this variant (Variation ID: 835842). This variant has not been reported in the literature in individuals affected with MYH7-related conditions. This variant is present in population databases (no rsID available, gnomAD 0.0009%). This sequence change replaces glycine, which is neutral and non-polar, with serine, which is neutral and polar, at codon 212 of the MYH7 protein (p.Gly212Ser). This variant is found within a region of MYH7 between codons 181 and 937 that contains the majority of the myosin head domain. Missense variants in this region have been shown to be significantly overrepresented in individuals with hypertrophic cardiomyopathy (PMID: 27532257). 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 not expected to disrupt MYH7 protein function. 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.

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