chr12-132638039-C-T
Variant summary
Our verdict is Uncertain significance. Variant got 0 ACMG points: 0P and 0B.
The NM_006231.4(POLE):c.5653G>A(p.Ala1885Thr) variant causes a missense change. The variant allele was found at a frequency of 0.0000607 in 1,613,870 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 0 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
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POLE | NM_006231.4 | c.5653G>A | p.Ala1885Thr | missense_variant | Exon 41 of 49 | ENST00000320574.10 | NP_006222.2 | |
POLE | XM_011534795.4 | c.5653G>A | p.Ala1885Thr | missense_variant | Exon 41 of 48 | XP_011533097.1 | ||
POLE | XM_011534797.4 | c.4732G>A | p.Ala1578Thr | missense_variant | Exon 33 of 40 | XP_011533099.1 | ||
POLE | XM_011534802.4 | c.2641G>A | p.Ala881Thr | missense_variant | Exon 17 of 24 | XP_011533104.1 |
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000329 AC: 5AN: 152122Hom.: 0 Cov.: 32
GnomAD3 exomes AF: 0.0000517 AC: 13AN: 251390Hom.: 0 AF XY: 0.0000294 AC XY: 4AN XY: 135850
GnomAD4 exome AF: 0.0000636 AC: 93AN: 1461748Hom.: 0 Cov.: 31 AF XY: 0.0000564 AC XY: 41AN XY: 727184
GnomAD4 genome AF: 0.0000329 AC: 5AN: 152122Hom.: 0 Cov.: 32 AF XY: 0.0000269 AC XY: 2AN XY: 74296
ClinVar
Submissions by phenotype
not provided Uncertain:3
In silico analysis supports that this missense variant does not alter protein structure/function; Observed in an individual with breast cancer (Moradian et al., 2021); This variant is associated with the following publications: (PMID: 31034466, 33558524) -
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This sequence change replaces alanine, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 1885 of the POLE protein (p.Ala1885Thr). This variant is present in population databases (rs748008084, gnomAD 0.009%). This missense change has been observed in individual(s) with breast cancer (PMID: 33558524). ClinVar contains an entry for this variant (Variation ID: 405886). 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 not expected to disrupt POLE 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. -
Colorectal cancer, susceptibility to, 12 Uncertain:1
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Malignant tumor of breast Uncertain:1
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Hereditary cancer-predisposing syndrome Uncertain:1
The p.A1885T variant (also known as c.5653G>A), located in coding exon 41 of the POLE gene, results from a G to A substitution at nucleotide position 5653. The alanine at codon 1885 is replaced by threonine, an amino acid with similar properties. This amino acid position is not well conserved in available vertebrate species. In addition, this alteration is predicted to be tolerated 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