ClinVar Miner

Submissions for variant NM_002691.4(POLD1):c.1927G>A (p.Gly643Arg)

gnomAD frequency: 0.00002  dbSNP: rs142361709
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000816972 SCV000957504 uncertain significance Colorectal cancer, susceptibility to, 10 2023-11-21 criteria provided, single submitter clinical testing This sequence change replaces glycine, which is neutral and non-polar, with arginine, which is basic and polar, at codon 643 of the POLD1 protein (p.Gly643Arg). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with POLD1-related conditions. ClinVar contains an entry for this variant (Variation ID: 659888). 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 POLD1 protein function with a negative predictive value of 80%. 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.
GeneDx RCV001597219 SCV001830830 uncertain significance not provided 2019-11-14 criteria provided, single submitter clinical testing Not observed at a significant frequency in large population cohorts (Lek 2016); In silico analysis, which includes protein predictors and evolutionary conservation, supports a deleterious effect. In addition, multiple splicing models predict that this variant may impact gene splicing.; Has not been previously published as pathogenic or benign to our knowledge

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