ClinVar Miner

Submissions for variant NM_001161352.2(KCNMA1):c.1491C>G (p.Asp497Glu)

dbSNP: rs1381424078
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001245285 SCV001418561 uncertain significance Generalized epilepsy-paroxysmal dyskinesia syndrome 2019-10-23 criteria provided, single submitter clinical testing 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. This variant is not present in population databases (ExAC no frequency). This sequence change replaces aspartic acid with glutamic acid at codon 497 of the KCNMA1 protein (p.Asp497Glu). The aspartic acid residue is highly conserved and there is a small physicochemical difference between aspartic acid and glutamic acid. This variant has not been reported in the literature in individuals with KCNMA1-related conditions.

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