ClinVar Miner

Submissions for variant NM_001005242.3(PKP2):c.2404T>G (p.Ser802Ala)

gnomAD frequency: 0.00002  dbSNP: rs1183143350
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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 RCV001188600 SCV001355673 uncertain significance Cardiomyopathy 2020-03-20 criteria provided, single submitter clinical testing This missense variant replaces serine with alanine at codon 846 of the PKP2 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 cardiovascular disorders in the literature. This variant has been identified in 4/251442 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 RCV003617912 SCV004524666 uncertain significance Arrhythmogenic right ventricular dysplasia 9 2023-07-07 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. Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Not Available"; PolyPhen-2: "Benign"; Align-GVGD: "Not Available". The alanine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. ClinVar contains an entry for this variant (Variation ID: 926200). This variant has not been reported in the literature in individuals affected with PKP2-related conditions. This variant is present in population databases (no rsID available, gnomAD 0.01%). This sequence change replaces serine, which is neutral and polar, with alanine, which is neutral and non-polar, at codon 846 of the PKP2 protein (p.Ser846Ala).

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