ClinVar Miner

Submissions for variant NM_002693.3(POLG):c.3524A>C (p.Gln1175Pro)

dbSNP: rs188348569
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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 RCV000793739 SCV000933107 uncertain significance Progressive sclerosing poliodystrophy 2023-05-20 criteria provided, single submitter clinical testing This variant has not been reported in the literature in individuals affected with POLG-related conditions. 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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may disrupt the consensus splice site. 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. ClinVar contains an entry for this variant (Variation ID: 640666). This variant is not present in population databases (gnomAD no frequency). This sequence change replaces glutamine, which is neutral and polar, with proline, which is neutral and non-polar, at codon 1175 of the POLG protein (p.Gln1175Pro).

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