ClinVar Miner

Submissions for variant NM_000528.4(MAN2B1):c.1169G>C (p.Gly390Ala)

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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 RCV002624272 SCV003514046 uncertain significance Deficiency of alpha-mannosidase 2022-08-15 criteria provided, single submitter clinical testing This sequence change replaces glycine, which is neutral and non-polar, with alanine, which is neutral and non-polar, at codon 390 of the MAN2B1 protein (p.Gly390Ala). This variant is present in population databases (rs774968464, gnomAD 0.07%). This variant has not been reported in the literature in individuals affected with MAN2B1-related conditions. 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 MAN2B1 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.

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