ClinVar Miner

Submissions for variant NM_001077365.2(POMT1):c.1680G>C (p.Trp560Cys)

dbSNP: rs119462984
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV002512704 SCV003441315 uncertain significance Autosomal recessive limb-girdle muscular dystrophy type 2K; Muscular dystrophy-dystroglycanopathy (congenital with intellectual disability), type B1; Walker-Warburg congenital muscular dystrophy 2022-04-01 criteria provided, single submitter clinical testing This missense change has been observed in individual(s) with POMT1-related conditions (PMID: 16575835). In at least one individual the data is consistent with being in trans (on the opposite chromosome) from a pathogenic variant. It has also been observed to segregate with disease in related individuals. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces tryptophan, which is neutral and slightly polar, with cysteine, which is neutral and slightly polar, at codon 582 of the POMT1 protein (p.Trp582Cys). ClinVar contains an entry for this variant (Variation ID: 3242). 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: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). 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.
OMIM RCV002286388 SCV000023556 pathogenic Muscular dystrophy-dystroglycanopathy (congenital with intellectual disability), type B1 2006-05-01 no assertion criteria provided literature only

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