ClinVar Miner

Submissions for variant NM_000528.4(MAN2B1):c.2885G>A (p.Arg962His)

gnomAD frequency: 0.00001  dbSNP: rs750173812
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Counsyl RCV000670138 SCV000794957 uncertain significance Deficiency of alpha-mannosidase 2017-10-23 criteria provided, single submitter clinical testing
Invitae RCV000670138 SCV003269577 uncertain significance Deficiency of alpha-mannosidase 2022-06-14 criteria provided, single submitter clinical testing This sequence change replaces arginine, which is basic and polar, with histidine, which is basic and polar, at codon 962 of the MAN2B1 protein (p.Arg962His). This variant is present in population databases (rs750173812, gnomAD 0.003%). This missense change has been observed in individual(s) with mannosidosis (PMID: 26048034). ClinVar contains an entry for this variant (Variation ID: 554495). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). Experimental studies are conflicting or provide insufficient evidence to determine the effect of this variant on MAN2B1 function (PMID: 26048034). 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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