ClinVar Miner

Submissions for variant NM_152490.5(B3GALNT2):c.574C>T (p.Arg192Cys)

gnomAD frequency: 0.00006  dbSNP: rs144258088
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001050177 SCV001214273 uncertain significance Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type a, 11 2022-09-26 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with cysteine, which is neutral and slightly polar, at codon 192 of the B3GALNT2 protein (p.Arg192Cys). This variant is present in population databases (rs144258088, gnomAD 0.01%). This missense change has been observed in individual(s) with intellectual disability (PMID: 29302074). ClinVar contains an entry for this variant (Variation ID: 846783). 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 not expected to disrupt B3GALNT2 protein function. 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.
GeneDx RCV001788408 SCV002031003 uncertain significance not provided 2021-12-01 criteria provided, single submitter clinical testing Not observed at significant frequency in large population cohorts (Lek et al., 2016); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 29302074)

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