ClinVar Miner

Submissions for variant NM_000292.3(PHKA2):c.218A>G (p.Lys73Arg)

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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 RCV002833638 SCV003214888 uncertain significance Glycogen storage disease IXa1 2022-09-09 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 PHKA2 protein function. This variant has not been reported in the literature in individuals affected with PHKA2-related conditions. The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This sequence change replaces lysine, which is basic and polar, with arginine, which is basic and polar, at codon 73 of the PHKA2 protein (p.Lys73Arg).

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