ClinVar Miner

Submissions for variant NM_001035.3(RYR2):c.12091A>G (p.Thr4031Ala) (rs755148895)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000639055 SCV000760614 uncertain significance Catecholaminergic polymorphic ventricular tachycardia 2017-08-15 criteria provided, single submitter clinical testing This sequence change replaces threonine with alanine at codon 4031 of the RYR2 protein (p.Thr4031Ala). The threonine residue is highly conserved and there is a small physicochemical difference between threonine and alanine. This variant is present in population databases (rs755148895, ExAC 0.008%). This variant has not been reported in the literature in individuals with RYR2-related disease. 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 output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The alanine amino acid residue is found in multiple mammalian species, suggesting that this missense change does not adversely affect protein function. These predictions have not been confirmed by published functional studies and their clinical significance is uncertain. 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.
Color RCV000771485 SCV000903967 uncertain significance Cardiomyopathy 2020-04-20 criteria provided, single submitter clinical testing

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