ClinVar Miner

Submissions for variant NM_001035.3(RYR2):c.3266G>A (p.Arg1089His)

gnomAD frequency: 0.00006  dbSNP: rs552564367
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Color Diagnostics, LLC DBA Color Health RCV000774257 SCV000907958 uncertain significance Cardiomyopathy 2023-02-22 criteria provided, single submitter clinical testing This variant is located in 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 3/280444 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.
Invitae RCV002534126 SCV000946753 uncertain significance Catecholaminergic polymorphic ventricular tachycardia 1 2023-10-14 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with histidine, which is basic and polar, at codon 1089 of the RYR2 protein (p.Arg1089His). This variant is present in population databases (rs552564367, gnomAD 0.004%). This missense change has been observed in individual(s) with catecholaminergic polymorphic ventricular tachycardia (PMID: 28404607). ClinVar contains an entry for this variant (Variation ID: 629548). 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 expected to disrupt RYR2 protein function. 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.

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