ClinVar Miner

Submissions for variant NM_001035.3(RYR2):c.10361G>A (p.Arg3454His)

gnomAD frequency: 0.00001  dbSNP: rs1229045575
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV002528355 SCV000637472 uncertain significance Catecholaminergic polymorphic ventricular tachycardia 1 2021-08-30 criteria provided, single submitter clinical testing This sequence change replaces arginine with histidine at codon 3454 of the RYR2 protein (p.Arg3454His). The arginine residue is highly conserved and there is a small physicochemical difference between arginine and histidine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals affected with RYR2-related conditions. 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. 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.
Fulgent Genetics, Fulgent Genetics RCV000765092 SCV000896301 uncertain significance Arrhythmogenic right ventricular dysplasia 2; Catecholaminergic polymorphic ventricular tachycardia 1 2018-10-31 criteria provided, single submitter clinical testing
Color Diagnostics, LLC DBA Color Health RCV001525150 SCV001735192 uncertain significance Cardiomyopathy 2023-01-10 criteria provided, single submitter clinical testing This missense variant replaces arginine with histidine at codon 3454 of the RYR2 protein. Computational prediction suggests that this variant may have deleterious impact on protein structure and function (internally defined REVEL score threshold >= 0.7, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. This variant has not been reported in individuals affected with cardiovascular disorders in the literature. This variant has been identified in 2/248576 chromosomes in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance.
GeneDx RCV001572247 SCV001796854 uncertain significance not provided 2019-02-13 criteria provided, single submitter clinical testing Has not been previously published as pathogenic or benign to our knowledge; Reported in ClinVar as a variant of uncertain significance but additional evidence is not available (ClinVar Variant ID# 463539; Landrum et al., 2016); Not observed at a significant frequency in large population cohorts (Lek et al., 2016); In silico analysis, which includes protein predictors and evolutionary conservation, supports a deleterious effect; Is not located in one of the three hot-spot regions of the RYR2 gene, where the majority of pathogenic missense variants occur (Medeiros-Domingo et al., 2009)

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