ClinVar Miner

Submissions for variant NM_001127222.2(CACNA1A):c.5509G>A (p.Glu1837Lys)

dbSNP: rs1408989522
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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 RCV001045460 SCV001209313 uncertain significance Episodic ataxia type 2; Developmental and epileptic encephalopathy, 42 2019-08-27 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: "Probably Damaging"; Align-GVGD: "Class C15"). This variant has not been reported in the literature in individuals with CACNA1A-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces glutamic acid with lysine at codon 1838 of the CACNA1A protein (p.Glu1838Lys). The glutamic acid residue is highly conserved and there is a small physicochemical difference between glutamic acid and lysine.

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