ClinVar Miner

Submissions for variant NM_001035.3(RYR2):c.515G>A (p.Gly172Glu)

dbSNP: rs1553426678
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000534378 SCV000637573 likely pathogenic Catecholaminergic polymorphic ventricular tachycardia 2019-05-10 criteria provided, single submitter clinical testing This sequence change replaces glycine with glutamic acid at codon 172 of the RYR2 protein (p.Gly172Glu). The glycine residue is highly conserved and there is a moderate physicochemical difference between glycine and glutamic acid. This variant is not present in population databases (ExAC no frequency). This variant has been reported to be de novo in an individual affected with cardiac arrest (Invitae). This variant occurs within one of the three regions of the RYR2 gene (N-terminal domain, central domain, or channel region) where other pathogenic variants have been reported to cluster (PMID: 19926015). Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic.

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