ClinVar Miner

Submissions for variant NM_016203.4(PRKAG2):c.721G>C (p.Gly241Arg)

dbSNP: rs765544988
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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 RCV002029014 SCV002290758 uncertain significance Lethal congenital glycogen storage disease of heart 2020-12-01 criteria provided, single submitter clinical testing 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. 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 PRKAG2 protein function. This variant has not been reported in the literature in individuals with PRKAG2-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces glycine with arginine at codon 241 of the PRKAG2 protein (p.Gly241Arg). The glycine residue is weakly conserved and there is a moderate physicochemical difference between glycine and arginine.

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