ClinVar Miner

Submissions for variant NM_001005242.3(PKP2):c.1025C>T (p.Ser342Phe)

gnomAD frequency: 0.00001  dbSNP: rs1282672078
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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 RCV001176760 SCV001340803 uncertain significance Cardiomyopathy 2023-12-04 criteria provided, single submitter clinical testing Variant of Uncertain Significance due to insufficient evidence: This missense variant replaces serine with phenylalanine at codon 342 of the PKP2 protein. Computational prediction tools and conservation analyses are inconclusive regarding the impact of this variant on the protein function. Computational splicing tools suggest that this variant may not impact RNA splicing. To our knowledge, functional assays have not been performed for this variant nor has this variant been reported in individuals affected with cardiovascular disorders in the literature. This variant has not been identified in the general population by the Genome Aggregation Database (gnomAD). Available evidence is insufficient to determine the role of this variant in disease conclusively.
Invitae RCV001345139 SCV001539240 uncertain significance Arrhythmogenic right ventricular dysplasia 9 2023-08-08 criteria provided, single submitter clinical testing This sequence change replaces serine, which is neutral and polar, with phenylalanine, which is neutral and non-polar, at codon 342 of the PKP2 protein (p.Ser342Phe). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with PKP2-related conditions. ClinVar contains an entry for this variant (Variation ID: 918923). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be tolerated. 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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