ClinVar Miner

Submissions for variant NM_006514.4(SCN10A):c.4266T>A (p.Asn1422Lys)

gnomAD frequency: 0.00001  dbSNP: rs1334461772
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000685171 SCV000812644 uncertain significance Brugada syndrome 2018-05-24 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 are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with SCN10A-related disease. This variant is not present in population databases (ExAC no frequency). This sequence change replaces asparagine with lysine at codon 1422 of the SCN10A protein (p.Asn1422Lys). The asparagine residue is highly conserved and there is a moderate physicochemical difference between asparagine and lysine.
AiLife Diagnostics, AiLife Diagnostics RCV002223903 SCV002501953 uncertain significance not provided 2022-02-09 criteria provided, single submitter clinical testing
Ambry Genetics RCV003163094 SCV003860561 uncertain significance Cardiovascular phenotype 2023-02-02 criteria provided, single submitter clinical testing The p.N1422K variant (also known as c.4266T>A), located in coding exon 24 of the SCN10A gene, results from a T to A substitution at nucleotide position 4266. The asparagine at codon 1422 is replaced by lysine, an amino acid with similar properties. This amino acid position is conserved. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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