ClinVar Miner

Submissions for variant NM_006231.4(POLE):c.4985A>G (p.Glu1662Gly)

gnomAD frequency: 0.00003  dbSNP: rs755176384
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV003541117 SCV001213138 uncertain significance not provided 2023-10-14 criteria provided, single submitter clinical testing This sequence change replaces glutamic acid, which is acidic and polar, with glycine, which is neutral and non-polar, at codon 1662 of the POLE protein (p.Glu1662Gly). This variant is present in population databases (rs755176384, gnomAD 0.007%). This variant has not been reported in the literature in individuals affected with POLE-related conditions. ClinVar contains an entry for this variant (Variation ID: 845931). 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 POLE 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.
Ambry Genetics RCV002339247 SCV002643508 uncertain significance Hereditary cancer-predisposing syndrome 2022-03-03 criteria provided, single submitter clinical testing The p.E1662G variant (also known as c.4985A>G), located in coding exon 38 of the POLE gene, results from an A to G substitution at nucleotide position 4985. The glutamic acid at codon 1662 is replaced by glycine, 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.

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