ClinVar Miner

Submissions for variant NM_024422.6(DSC2):c.1738A>G (p.Lys580Glu)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV003632088 SCV004451351 uncertain significance Arrhythmogenic right ventricular dysplasia 11 2023-02-23 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 DSC2 protein function. This variant has not been reported in the literature in individuals affected with DSC2-related conditions. This variant is present in population databases (no rsID available, gnomAD 0.01%). This sequence change replaces lysine, which is basic and polar, with glutamic acid, which is acidic and polar, at codon 580 of the DSC2 protein (p.Lys580Glu).
All of Us Research Program, National Institutes of Health RCV004011715 SCV004833512 uncertain significance Familial isolated arrhythmogenic right ventricular dysplasia 2023-11-20 criteria provided, single submitter clinical testing This missense variant replaces lysine with glutamic acid at codon 580 of the DSC2 protein. Computational prediction suggests that this variant may not impact protein structure and function (internally defined REVEL score threshold <= 0.5, PMID: 27666373). To our knowledge, functional studies have not been reported for this variant. This variant has not been reported in individuals affected with DSC2-related disorders in the literature. This variant has been identified in 2/31392 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.

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