ClinVar Miner

Submissions for variant NM_001040142.2(SCN2A):c.4435C>G (p.Gln1479Glu)

dbSNP: rs1553462134
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000559759 SCV000639629 uncertain significance Seizures, benign familial infantile, 3; Developmental and epileptic encephalopathy, 11 2020-07-13 criteria provided, single submitter clinical testing This sequence change replaces glutamine with glutamic acid at codon 1479 of the SCN2A protein (p.Gln1479Glu). The glutamine residue is highly conserved and there is a small physicochemical difference between glutamine and glutamic acid. This variant is not present in population databases (ExAC no frequency). This variant has been observed in individual(s) with clinical features of SCN2A-related conditions (PMID: 29655203). 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: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0"). In summary, this variant has uncertain impact on SCN2A function. The available evidence is currently insufficient to determine its role in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

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