ClinVar Miner

Submissions for variant NM_002693.3(POLG):c.971C>A (p.Pro324His)

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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 RCV003516316 SCV004294376 uncertain significance Progressive sclerosing poliodystrophy 2023-07-03 criteria provided, single submitter clinical testing This sequence change replaces proline, which is neutral and non-polar, with histidine, which is basic and polar, at codon 324 of the POLG protein (p.Pro324His). This variant is not present in population databases (gnomAD no frequency). 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 not expected to disrupt POLG 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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