ClinVar Miner

Submissions for variant NM_001161352.2(KCNMA1):c.632A>G (p.Lys211Arg)

gnomAD frequency: 0.00001  dbSNP: rs771113362
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001062000 SCV001226769 uncertain significance Generalized epilepsy-paroxysmal dyskinesia syndrome 2022-08-09 criteria provided, single submitter clinical testing Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The arginine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. ClinVar contains an entry for this variant (Variation ID: 856524). This variant has not been reported in the literature in individuals affected with KCNMA1-related conditions. This variant is present in population databases (rs771113362, gnomAD 0.007%). This sequence change replaces lysine, which is basic and polar, with arginine, which is basic and polar, at codon 211 of the KCNMA1 protein (p.Lys211Arg). Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. 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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