ClinVar Miner

Submissions for variant NM_000335.5(SCN5A):c.1240A>G (p.Met414Val)

dbSNP: rs1401162798
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Color Diagnostics, LLC DBA Color Health RCV001842108 SCV001735103 uncertain significance Cardiac arrhythmia 2021-12-08 criteria provided, single submitter clinical testing This missense variant replaces methionine with valine at codon 414 of the SCN5A 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 1/249250 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.
AiLife Diagnostics, AiLife Diagnostics RCV002224085 SCV002502568 uncertain significance not provided 2021-10-22 criteria provided, single submitter clinical testing
Labcorp Genetics (formerly Invitae), Labcorp RCV002224085 SCV005814719 uncertain significance not provided 2024-03-31 criteria provided, single submitter clinical testing This sequence change replaces methionine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 414 of the SCN5A protein (p.Met414Val). This variant is present in population databases (no rsID available, gnomAD 0.0009%). This variant has not been reported in the literature in individuals affected with SCN5A-related conditions. ClinVar contains an entry for this variant (Variation ID: 1171743). 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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