ClinVar Miner

Submissions for variant NM_001040142.2(SCN2A):c.88G>A (p.Ala30Thr)

dbSNP: rs1337092354
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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 RCV000696489 SCV000825052 uncertain significance Seizures, benign familial infantile, 3; Developmental and epileptic encephalopathy, 11 2017-06-27 criteria provided, single submitter clinical testing This sequence change replaces alanine with threonine at codon 30 of the SCN2A protein (p.Ala30Thr). The alanine residue is highly conserved and there is a small physicochemical difference between alanine and threonine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with SCN2A-related disease. 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, 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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