ClinVar Miner

Submissions for variant NM_002693.3(POLG):c.439A>G (p.Ser147Gly)

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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 RCV003514016 SCV004275847 uncertain significance Progressive sclerosing poliodystrophy 2023-12-10 criteria provided, single submitter clinical testing This sequence change replaces serine, which is neutral and polar, with glycine, which is neutral and non-polar, at codon 147 of the POLG protein (p.Ser147Gly). This variant is present in population databases (rs774011106, gnomAD 0.01%). This variant has not been reported in the literature in individuals affected with POLG-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 expected to disrupt POLG protein function with a positive 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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