ClinVar Miner

Submissions for variant NM_001035.3(RYR2):c.9358G>C (p.Asp3120His)

dbSNP: rs794728764
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000182776 SCV000235162 uncertain significance not provided 2014-07-02 criteria provided, single submitter clinical testing p.Asp3120His (GAC>CAC): c.9358 G>C in exon 65 of the RYR2 gene (NM_001035.2). The D3120H variant has not been published as a mutation, nor has it been reported as a benign polymorphism to our knowledge. The D3120H variant was not observed in approximately 5900 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. The D3120H variant is a non-conservative amino acid substitution, which is likely to impact secondary protein structure as these residues differ in polarity, charge, size and/or other properties. This substitution occurs at a position that is conserved across species. In silico analysis predicts this variant is probably damaging to the protein structure/function. However, missense mutations in nearby residues have not been reported in association with arrhythmias. Therefore, based on the currently available information, it is unclear whether this variant is a pathogenic mutation or a rare benign variant. The variant is found in ARRHYTHMIA panel(s).
Invitae RCV003525871 SCV004308023 uncertain significance Catecholaminergic polymorphic ventricular tachycardia 1 2023-05-29 criteria provided, single submitter clinical testing 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. 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 RYR2 protein function. ClinVar contains an entry for this variant (Variation ID: 201293). This variant has not been reported in the literature in individuals affected with RYR2-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces aspartic acid, which is acidic and polar, with histidine, which is basic and polar, at codon 3120 of the RYR2 protein (p.Asp3120His).

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