ClinVar Miner

Submissions for variant NM_002863.5(PYGL):c.275T>G (p.Met92Arg)

dbSNP: rs767745350
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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 RCV001935398 SCV002187147 uncertain significance Glycogen storage disease, type VI 2021-04-11 criteria provided, single submitter clinical testing This sequence change replaces methionine with arginine at codon 92 of the PYGL protein (p.Met92Arg). The methionine residue is highly conserved and there is a moderate physicochemical difference between methionine and arginine. 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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site, but this prediction has not been confirmed by published transcriptional studies. 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 not expected to disrupt PYGL protein function. This variant has not been reported in the literature in individuals with PYGL-related conditions. This variant is not present in population databases (ExAC no frequency).

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