ClinVar Miner

Submissions for variant NM_052874.5(STX1B):c.823G>A (p.Gly275Arg)

dbSNP: rs1596714308
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000812767 SCV000953091 likely pathogenic Generalized epilepsy with febrile seizures plus, type 9 2020-12-24 criteria provided, single submitter clinical testing In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic. 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 been observed to be de novo in an individual affected with clinical features of generalized epilepsy with febrile seizures (Invitae). This variant is not present in population databases (ExAC no frequency). This sequence change replaces glycine with arginine at codon 275 of the STX1B protein (p.Gly275Arg). The glycine residue is highly conserved and there is a moderate physicochemical difference between glycine and arginine.

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