ClinVar Miner

Submissions for variant NM_016203.4(PRKAG2):c.739G>A (p.Glu247Lys)

dbSNP: rs397517281
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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 RCV001993593 SCV002249601 uncertain significance Lethal congenital glycogen storage disease of heart 2024-12-12 criteria provided, single submitter clinical testing This sequence change replaces glutamic acid, which is acidic and polar, with lysine, which is basic and polar, at codon 247 of the PRKAG2 protein (p.Glu247Lys). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with PRKAG2-related conditions. ClinVar contains an entry for this variant (Variation ID: 1468182). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is not expected to disrupt PRKAG2 protein function with a negative predictive value of 95%. 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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