ClinVar Miner

Submissions for variant NM_001040142.2(SCN2A):c.3780G>C (p.Lys1260Asn)

dbSNP: rs763442348
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001347643 SCV001541913 uncertain significance Seizures, benign familial infantile, 3; Developmental and epileptic encephalopathy, 11 2020-08-02 criteria provided, single submitter clinical testing This sequence change replaces lysine with asparagine at codon 1260 of the SCN2A protein (p.Lys1260Asn). The lysine residue is highly conserved and there is a moderate physicochemical difference between lysine and asparagine. 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 conditions. ClinVar contains an entry for this variant (Variation ID: 813286). 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.
Génétique des Maladies du Développement, Hospices Civils de Lyon RCV001004057 SCV001161440 likely benign Developmental and epileptic encephalopathy, 11 no assertion criteria provided clinical testing

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