ClinVar Miner

Submissions for variant NM_005609.4(PYGM):c.2494C>T (p.Arg832Cys)

gnomAD frequency: 0.00001  dbSNP: rs757670205
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001222199 SCV001394290 uncertain significance Glycogen storage disease, type V 2019-07-08 criteria provided, single submitter clinical testing This sequence change replaces arginine with cysteine at codon 832 of the PYGM protein (p.Arg832Cys). The arginine residue is weakly conserved and there is a large physicochemical difference between arginine and cysteine. This variant is present in population databases (rs757670205, ExAC 0.002%). This variant has not been reported in the literature in individuals with PYGM-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. 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.
Revvity Omics, Revvity RCV001222199 SCV003810363 uncertain significance Glycogen storage disease, type V 2022-06-24 criteria provided, single submitter clinical testing
Natera, Inc. RCV001222199 SCV002092302 uncertain significance Glycogen storage disease, type V 2020-11-25 no assertion criteria provided clinical testing

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