ClinVar Miner

Submissions for variant NM_016203.4(PRKAG2):c.406C>T (p.Pro136Ser)

dbSNP: rs1386603764
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001350593 SCV001544999 uncertain significance Lethal congenital glycogen storage disease of heart 2020-08-14 criteria provided, single submitter clinical testing This sequence change replaces proline with serine at codon 136 of the PRKAG2 protein (p.Pro136Ser). The proline residue is moderately conserved and there is a moderate physicochemical difference between proline and serine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals with PRKAG2-related conditions. 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. 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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