rs897259743
Variant summary
Our verdict is Likely benign. Variant got -3 ACMG points: 1P and 4B. PP3BS2
The NM_002691.4(POLD1):c.2911G>A(p.Glu971Lys) variant causes a missense change. The variant allele was found at a frequency of 0.00000838 in 1,551,916 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
Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000086 ( 0 hom. )
Consequence
POLD1
NM_002691.4 missense
NM_002691.4 missense
Scores
5
7
7
Clinical Significance
Conservation
PhyloP100: 4.02
Genes affected
POLD1 (HGNC:9175): (DNA polymerase delta 1, catalytic subunit) This gene encodes the 125-kDa catalytic subunit of DNA polymerase delta. DNA polymerase delta possesses both polymerase and 3' to 5' exonuclease activity and plays a critical role in DNA replication and repair. Alternatively spliced transcript variants have been observed for this gene, and a pseudogene of this gene is located on the long arm of chromosome 6. [provided by RefSeq, Mar 2012]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -3 ACMG points.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.763
BS2
High AC in GnomAdExome4 at 12 AD gene.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
POLD1 | NM_002691.4 | c.2911G>A | p.Glu971Lys | missense_variant | 23/27 | ENST00000440232.7 | NP_002682.2 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
POLD1 | ENST00000440232.7 | c.2911G>A | p.Glu971Lys | missense_variant | 23/27 | 1 | NM_002691.4 | ENSP00000406046 | P1 |
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152198Hom.: 0 Cov.: 32
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GnomAD4 exome AF: 0.00000857 AC: 12AN: 1399718Hom.: 0 Cov.: 31 AF XY: 0.00000290 AC XY: 2AN XY: 690812
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GnomAD4 genome AF: 0.00000657 AC: 1AN: 152198Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0AN XY: 74350
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1Other:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Colorectal cancer, susceptibility to, 10 Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Oct 04, 2023 | This sequence change replaces glutamic acid, which is acidic and polar, with lysine, which is basic and polar, at codon 971 of the POLD1 protein (p.Glu971Lys). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with POLD1-related conditions. ClinVar contains an entry for this variant (Variation ID: 569277). 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 POLD1 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. - |
not provided Other:1
not provided, no classification provided | phenotyping only | GenomeConnect, ClinGen | - | Variant interpreted as Uncertain significance and reported on 06-08-2022 by Trillium Health Partners Credit Valley Hospital. GenomeConnect assertions are reported exactly as they appear on the patient-provided report from the testing laboratory. GenomeConnect staff make no attempt to reinterpret the clinical significance of the variant. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
CADD
Pathogenic
DANN
Pathogenic
DEOGEN2
Benign
T;.;.;T
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Uncertain
D
LIST_S2
Pathogenic
.;.;D;D
M_CAP
Uncertain
D
MetaRNN
Pathogenic
D;D;D;D
MetaSVM
Benign
T
MutationAssessor
Uncertain
M;.;.;M
MutationTaster
Benign
D
PrimateAI
Pathogenic
D
PROVEAN
Uncertain
D;.;.;.
REVEL
Benign
Sift
Uncertain
D;.;.;.
Sift4G
Benign
T;T;T;T
Polyphen
P;.;.;P
Vest4
MutPred
Gain of methylation at E971 (P = 0.0182);.;.;Gain of methylation at E971 (P = 0.0182);
MVP
MPC
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at