ClinVar Miner

Submissions for variant NM_000178.4(GSS):c.833A>G (p.Gln278Arg)

dbSNP: rs2081434339
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001927297 SCV002159617 uncertain significance Inherited glutathione synthetase deficiency 2022-07-12 criteria provided, single submitter clinical testing This sequence change replaces glutamine, which is neutral and polar, with arginine, which is basic and polar, at codon 278 of the GSS protein (p.Gln278Arg). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with GSS-related conditions. ClinVar contains an entry for this variant (Variation ID: 1394018). 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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. 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.
Mayo Clinic Laboratories, Mayo Clinic RCV003481169 SCV004225490 uncertain significance not provided 2022-06-09 criteria provided, single submitter clinical testing PM2

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