NM_006231.4:c.1574A>G
Variant summary
Our verdict is Likely benign. Variant got -3 ACMG points: 0P and 3B. BP4_ModerateBP6
The NM_006231.4(POLE):āc.1574A>Gā(p.Asn525Ser) variant causes a missense change. The variant allele was found at a frequency of 0.0000204 in 1,614,098 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).
Frequency
Consequence
NM_006231.4 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Likely_benign. Variant got -3 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000328 AC: 5AN: 152242Hom.: 0 Cov.: 33
GnomAD3 exomes AF: 0.0000279 AC: 7AN: 250804Hom.: 0 AF XY: 0.0000368 AC XY: 5AN XY: 135716
GnomAD4 exome AF: 0.0000192 AC: 28AN: 1461856Hom.: 0 Cov.: 33 AF XY: 0.0000289 AC XY: 21AN XY: 727226
GnomAD4 genome AF: 0.0000328 AC: 5AN: 152242Hom.: 0 Cov.: 33 AF XY: 0.0000134 AC XY: 1AN XY: 74378
ClinVar
Submissions by phenotype
not provided Uncertain:2
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 sequence change replaces asparagine, which is neutral and polar, with serine, which is neutral and polar, at codon 525 of the POLE protein (p.Asn525Ser). This variant is present in population databases (rs74878897, gnomAD 0.03%). 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: 484455). 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. -
POLE-related disorder Uncertain:1
The POLE c.1574A>G variant is predicted to result in the amino acid substitution p.Asn525Ser. To our knowledge, this variant has not been reported in the literature. This variant is reported in 0.016% of alleles in individuals of South Asian descent in gnomAD. This variant is interpreted as uncertain in ClinVar (https://www.ncbi.nlm.nih.gov/clinvar/variation/484455/). Alternative variant at the same codon p.Asn525Asp has been observed in patient with colorectal cancer with microsatellite instability (Table S2, Chang et al 2020. PubMed ID: 431769227). At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -
Hereditary cancer-predisposing syndrome Benign:1
This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at