ClinVar Miner

Submissions for variant NM_152490.5(B3GALNT2):c.1372A>G (p.Ser458Gly)

gnomAD frequency: 0.00001  dbSNP: rs1344429713
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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 RCV001991586 SCV002282142 uncertain significance Muscular dystrophy-dystroglycanopathy (congenital with brain and eye anomalies), type a, 11 2022-07-19 criteria provided, single submitter clinical testing This sequence change replaces serine, which is neutral and polar, with glycine, which is neutral and non-polar, at codon 458 of the B3GALNT2 protein (p.Ser458Gly). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with B3GALNT2-related conditions. ClinVar contains an entry for this variant (Variation ID: 1495834). Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Benign"; Align-GVGD: "Class C0". The glycine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. 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.

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