ClinVar Miner

Submissions for variant NM_000814.6(GABRB3):c.1226G>A (p.Arg409Gln)

gnomAD frequency: 0.00001  dbSNP: rs766795597
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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 RCV001318549 SCV001509256 uncertain significance Epilepsy, childhood absence, susceptibility to, 1; Epilepsy, childhood absence, susceptibility to, 5 2020-01-10 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: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). This variant has not been reported in the literature in individuals with GABRB3-related conditions. This variant is present in population databases (rs766795597, ExAC 0.006%). This sequence change replaces arginine with glutamine at codon 409 of the GABRB3 protein (p.Arg409Gln). The arginine residue is weakly conserved and there is a small physicochemical difference between arginine and glutamine.

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