ClinVar Miner

Submissions for variant NM_000199.5(SGSH):c.823G>A (p.Gly275Arg)

dbSNP: rs765361603
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001986995 SCV002285389 pathogenic Mucopolysaccharidosis, MPS-III-A 2023-11-27 criteria provided, single submitter clinical testing This sequence change replaces glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 275 of the SGSH protein (p.Gly275Arg). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with mucopolysaccharidosis type III (PMID: 21204211). ClinVar contains an entry for this variant (Variation ID: 1494107). 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 SGSH protein function with a positive predictive value of 95%. For these reasons, this variant has been classified as Pathogenic.
GeneDx RCV003156370 SCV003845495 likely pathogenic not provided 2023-03-22 criteria provided, single submitter clinical testing In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Not observed at significant frequency in large population cohorts (gnomAD); This variant is associated with the following publications: (PMID: 25807448, 21204211, 35629088)
Baylor Genetics RCV001986995 SCV004201118 likely pathogenic Mucopolysaccharidosis, MPS-III-A 2023-06-04 criteria provided, single submitter clinical testing
Revvity Omics, Revvity RCV001986995 SCV004237252 uncertain significance Mucopolysaccharidosis, MPS-III-A 2023-03-30 criteria provided, single submitter clinical testing

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