ClinVar Miner

Submissions for variant NM_000335.5(SCN5A):c.3509G>A (p.Gly1170Asp)

dbSNP: rs878855289
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV005208559 SCV000291803 uncertain significance not provided 2016-02-29 criteria provided, single submitter clinical testing Algorithms developed to predict the effect of missense changes on protein structure and function do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C15"). This variant is not present in population databases (ExAC no frequency) and has not been reported in the literature in individuals with a SCN5A-related disease. In summary, this variant is a novel missense change with uncertain impact on protein function. It has been classified as a Variant of Uncertain Significance. This sequence change replaces glycine with aspartic acid at codon 1171 of the SCN5A protein (p.Gly1171Asp). The glycine residue is moderately conserved and there is a moderate physicochemical difference between glycine and aspartic acid.
Roden Lab, Vanderbilt University Medical Center RCV004698487 SCV005200449 uncertain significance Brugada syndrome 1 criteria provided, single submitter research We classified this variant using data from the calibrated functional assay 'ParSE-seq' (PMID: 37732247), population data, and in silico data within the ACMG v3 framework (PMID: 25741868)The SCN5A variant, 3-38575451-C-T was evaluated for association with the loss-of-function condition Brugada Syndrome.This Variant had an AF of 0 in gnomAD v3The in silico predictor SpliceAI scored the variant as 0.01; normal <0.2, likely damaging >0.5.Using the functional RNA-splicing assay, ParSE-seq, the variant was evaluated to have a strong negative impact on splicing (PS3_strong) following the Brnich et al. calibration framework (PMID: 31892348). In aggregate, we therefore classify this variant as VUS using these collective data.

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