ClinVar Miner

Submissions for variant NM_003042.4(SLC6A1):c.223G>C (p.Gly75Arg)

dbSNP: rs1064795852
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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 RCV005057349 SCV001574949 likely pathogenic Epilepsy with myoclonic atonic seizures 2020-05-06 criteria provided, single submitter clinical testing Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. A different variant (c.223G>A) giving rise to the same protein effect observed here (p.Gly75Arg) has been determined to be pathogenic (PMID: 28708303). This suggests that this variant is also likely to be causative of disease. 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. This variant has not been reported in the literature in individuals with SLC6A1-related conditions. This sequence change replaces glycine with arginine at codon 75 of the SLC6A1 protein (p.Gly75Arg). The glycine residue is moderately conserved and there is a moderate physicochemical difference between glycine and arginine. This variant is not present in population databases (ExAC no frequency).

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