ClinVar Miner

Submissions for variant NM_016203.4(PRKAG2):c.485C>T (p.Ser162Phe)

dbSNP: rs779526669
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV002037323 SCV002115805 uncertain significance Lethal congenital glycogen storage disease of heart 2021-07-16 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 affected with PRKAG2-related conditions. This variant is not present in population databases (ExAC no frequency). This sequence change replaces serine with phenylalanine at codon 162 of the PRKAG2 protein (p.Ser162Phe). The serine residue is moderately conserved and there is a large physicochemical difference between serine and phenylalanine.
Ambry Genetics RCV003299029 SCV004007677 uncertain significance Cardiovascular phenotype 2023-05-07 criteria provided, single submitter clinical testing The p.S162F variant (also known as c.485C>T), located in coding exon 4 of the PRKAG2 gene, results from a C to T substitution at nucleotide position 485. The serine at codon 162 is replaced by phenylalanine, an amino acid with highly dissimilar properties. This amino acid position is conserved. In addition, the in silico prediction for this alteration is inconclusive. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

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