ClinVar Miner

Submissions for variant NM_001035.3(RYR2):c.11914A>G (p.Met3972Val) (rs1085307997)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000490203 SCV000577799 likely pathogenic not provided 2015-05-08 criteria provided, single submitter clinical testing The M3972V variant has not been published to our knowledge, a variant at this same residue (M3972I) has been reported in an individual with CPVT; however, no additional clinical information or segregation studies were provided (Medeiros-Domingo et al., 2009; Jabbari et al., 2013). The M3972V variant is located in one of the three hot-spot regions of the RYR2 gene, and numerous missense variants in nearby residues (D3973H, L3974Q, D3977Y, M3978I) have been reported in association with CPVT according to the Human Gene Mutation Database (Medeiros-Domingo et al., 2009; Stenson et al., 2014), supporting the functional importance of this region of the protein. The M3972V variant was not observed in approximately 6,100 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. This substitution occurs at a position that is conserved by class across species. However, the M3972V variant is a conservative amino acid substitution, which is not likely to impact secondary protein structure as these residues share similar properties. Additionally, in silico analysis is inconsistent in its predictions as to whether or not the variant is damaging to the protein structure/function.Therefore, this variant is a strong candidate for a pathogenic variant, however the possibility that it is a benign variant cannot be excluded.

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