ClinVar Miner

Submissions for variant NM_000814.6(GABRB3):c.245A>C (p.Tyr82Ser)

dbSNP: rs1892483792
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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 RCV001905776 SCV002148893 uncertain significance Epilepsy, childhood absence, susceptibility to, 1; Epilepsy, childhood absence, susceptibility to, 5 2023-10-13 criteria provided, single submitter clinical testing This sequence change replaces tyrosine, which is neutral and polar, with serine, which is neutral and polar, at codon 82 of the GABRB3 protein (p.Tyr82Ser). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with clinical features of GABRB3-related conditions (Invitae). ClinVar contains an entry for this variant (Variation ID: 1386425). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt GABRB3 protein function. This variant disrupts the p.Tyr82 amino acid residue in GABRB3. Other variant(s) that disrupt this residue have been observed in individuals with GABRB3-related conditions (Invitae), which suggests that this may be a clinically significant amino acid residue. 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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