ClinVar Miner

Submissions for variant NM_001040142.2(SCN2A):c.1561G>C (p.Asp521His)

dbSNP: rs1574572514
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000801483 SCV000941260 uncertain significance Seizures, benign familial infantile, 3; Developmental and epileptic encephalopathy, 11 2018-10-15 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: "Possibly Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with SCN2A-related disease. This variant is not present in population databases (ExAC no frequency). This sequence change replaces aspartic acid with histidine at codon 521 of the SCN2A protein (p.Asp521His). The aspartic acid residue is moderately conserved and there is a moderate physicochemical difference between aspartic acid and histidine.
Suma Genomics RCV001836891 SCV002097326 likely benign Seizures, benign familial infantile, 3; Developmental and epileptic encephalopathy, 11; Episodic ataxia, type 9 criteria provided, single submitter clinical testing
Suma Genomics RCV001844237 SCV002075282 likely benign Developmental and epileptic encephalopathy, 11 no assertion criteria provided clinical testing

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