ClinVar Miner

Submissions for variant NM_001040142.2(SCN2A):c.3478G>C (p.Glu1160Gln)

dbSNP: rs1553589056
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001979211 SCV002255427 uncertain significance Seizures, benign familial infantile, 3; Developmental and epileptic encephalopathy, 11 2021-07-09 criteria provided, single submitter clinical testing This variant has not been reported in the literature in individuals with SCN2A-related conditions. This sequence change replaces glutamic acid with glutamine at codon 1160 of the SCN2A protein (p.Glu1160Gln). The glutamic acid residue is highly conserved and there is a small physicochemical difference between glutamic acid and glutamine. This variant is not present in population databases (ExAC no frequency). 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"). 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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