ClinVar Miner

Submissions for variant NM_006231.4(POLE):c.2003C>T (p.Ala668Val)

dbSNP: rs2042853105
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV003656379 SCV001228483 uncertain significance not provided 2023-09-17 criteria provided, single submitter clinical testing 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. 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. ClinVar contains an entry for this variant (Variation ID: 857863). This variant has not been reported in the literature in individuals affected with POLE-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces alanine, which is neutral and non-polar, with valine, which is neutral and non-polar, at codon 668 of the POLE protein (p.Ala668Val).
Ambry Genetics RCV002418531 SCV002718677 uncertain significance Hereditary cancer-predisposing syndrome 2022-08-11 criteria provided, single submitter clinical testing The p.A668V variant (also known as c.2003C>T), located in coding exon 18 of the POLE gene, results from a C to T substitution at nucleotide position 2003. The alanine at codon 668 is replaced by valine, 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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