ClinVar Miner

Submissions for variant NM_002691.4(POLD1):c.2686G>A (p.Gly896Ser)

dbSNP: rs370557271
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000548499 SCV000646587 uncertain significance Colorectal cancer, susceptibility to, 10 2024-01-12 criteria provided, single submitter clinical testing This sequence change replaces glycine, which is neutral and non-polar, with serine, which is neutral and polar, at codon 896 of the POLD1 protein (p.Gly896Ser). This variant is present in population databases (no rsID available, gnomAD 0.01%). 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: 469284). 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%. RNA analysis performed to evaluate the impact of this missense change on mRNA splicing indicates it does not significantly alter splicing (Invitae). 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 RCV001549934 SCV001770176 uncertain significance not provided 2020-11-19 criteria provided, single submitter clinical testing Not observed at a significant frequency in large population cohorts (Lek 2016); In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge; This variant is associated with the following publications: (PMID: 29056344)
Ambry Genetics RCV002431654 SCV002742219 uncertain significance Hereditary cancer-predisposing syndrome 2023-09-22 criteria provided, single submitter clinical testing The p.G896S variant (also known as c.2686G>A), located in coding exon 20 of the POLD1 gene, results from a G to A substitution at nucleotide position 2686. The glycine at codon 896 is replaced by serine, an amino acid with similar properties. This amino acid position is conserved. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.
Fulgent Genetics, Fulgent Genetics RCV005027647 SCV005650316 uncertain significance Colorectal cancer, susceptibility to, 10; Mandibular hypoplasia-deafness-progeroid syndrome; Immunodeficiency 120 2024-01-04 criteria provided, single submitter clinical testing

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