rs774028311
Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PP3_Moderate
The NM_006231.4(POLE):c.3331C>T(p.Arg1111Trp) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000682 in 1,614,048 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).
Frequency
Consequence
NM_006231.4 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Uncertain_significance. Variant got 2 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000131 AC: 2AN: 152198Hom.: 0 Cov.: 33
GnomAD3 exomes AF: 0.00000398 AC: 1AN: 251484Hom.: 0 AF XY: 0.00000736 AC XY: 1AN XY: 135916
GnomAD4 exome AF: 0.00000616 AC: 9AN: 1461732Hom.: 0 Cov.: 30 AF XY: 0.00000963 AC XY: 7AN XY: 727170
GnomAD4 genome AF: 0.0000131 AC: 2AN: 152316Hom.: 0 Cov.: 33 AF XY: 0.0000269 AC XY: 2AN XY: 74480
ClinVar
Submissions by phenotype
not provided Uncertain:4
Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant has a deleterious effect on 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, 25344691) -
This sequence change replaces arginine, which is basic and polar, with tryptophan, which is neutral and slightly polar, at codon 1111 of the POLE protein (p.Arg1111Trp). This variant is present in population databases (rs774028311, gnomAD 0.0009%). This missense change has been observed in individual(s) with pancreatic cancer (PMID: 32826389). ClinVar contains an entry for this variant (Variation ID: 473588). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is expected to disrupt POLE protein function with a positive 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. -
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not specified Uncertain:1
The p.Arg1111Trp variant in POLE has not been previously reported in individuals with colorectal cancer, but has been identified in 1/66706 European chromosomes by the Exome Aggregation Consortium (ExAC, http://exac.broadinstitute.org; dbSN P rs774028311). Computational prediction tools and conservation analysis suggest that the p.Arg1111Trp variant may impact the protein, though this information i s not predictive enough to determine pathogenicity. In summary, the clinical sig nificance of the p.Arg1111Trp variant is uncertain. -
Hereditary cancer-predisposing syndrome Uncertain:1
The p.R1111W variant (also known as c.3331C>T), located in coding exon 27 of the POLE gene, results from a C to T substitution at nucleotide position 3331. The arginine at codon 1111 is replaced by tryptophan, an amino acid with dissimilar properties. This amino acid position is highly conserved in available vertebrate species. In addition, this alteration is predicted to be deleterious by in silico analysis. Based on the available evidence, the clinical significance of this variant remains unclear. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at