ClinVar Miner

Submissions for variant NM_020822.3(KCNT1):c.3205T>A (p.Cys1069Ser)

dbSNP: rs781225639
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000812912 SCV000953242 uncertain significance Developmental and epileptic encephalopathy, 14; Autosomal dominant nocturnal frontal lobe epilepsy 5 2018-11-20 criteria provided, single submitter clinical testing This sequence change replaces cysteine with serine at codon 1069 of the KCNT1 protein (p.Cys1069Ser). The cysteine residue is highly conserved and there is a moderate physicochemical difference between cysteine and serine. This variant is present in population databases (rs781225639, ExAC 0.002%). This variant has not been reported in the literature in individuals with KCNT1-related disease. 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: "Tolerated"; PolyPhen-2: "Benign"; 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.

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