NM_006231.4:c.6068C>T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 0P and 0B.

The NM_006231.4(POLE):​c.6068C>T​(p.Thr2023Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000328 in 1,613,466 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000034 ( 0 hom. )

Consequence

POLE
NM_006231.4 missense

Scores

2
10
7

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:5

Conservation

PhyloP100: 9.82
Variant links:
Genes affected
POLE (HGNC:9177): (DNA polymerase epsilon, catalytic subunit) This gene encodes the catalytic subunit of DNA polymerase epsilon. The enzyme is involved in DNA repair and chromosomal DNA replication. Mutations in this gene have been associated with colorectal cancer 12 and facial dysmorphism, immunodeficiency, livedo, and short stature. [provided by RefSeq, Sep 2013]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
POLENM_006231.4 linkc.6068C>T p.Thr2023Ile missense_variant Exon 44 of 49 ENST00000320574.10 NP_006222.2 Q07864
POLEXM_011534795.4 linkc.6068C>T p.Thr2023Ile missense_variant Exon 44 of 48 XP_011533097.1
POLEXM_011534797.4 linkc.5147C>T p.Thr1716Ile missense_variant Exon 36 of 40 XP_011533099.1
POLEXM_011534802.4 linkc.3056C>T p.Thr1019Ile missense_variant Exon 20 of 24 XP_011533104.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
POLEENST00000320574.10 linkc.6068C>T p.Thr2023Ile missense_variant Exon 44 of 49 1 NM_006231.4 ENSP00000322570.5 Q07864

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152120
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000401
AC:
1
AN:
249564
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135350
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000886
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000342
AC:
50
AN:
1461346
Hom.:
0
Cov.:
32
AF XY:
0.0000275
AC XY:
20
AN XY:
727028
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000450
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152120
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74302
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000391
Hom.:
0
Bravo
AF:
0.0000113
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Uncertain:3
Jun 27, 2017
PreventionGenetics, part of Exact Sciences
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Nov 20, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This sequence change replaces threonine, which is neutral and polar, with isoleucine, which is neutral and non-polar, at codon 2023 of the POLE protein (p.Thr2023Ile). This variant is present in population databases (no rsID available, gnomAD 0.003%). 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: 240583). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. 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. -

Jan 18, 2023
GeneDx
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis, which includes protein predictors and evolutionary conservation, supports a deleterious effect; Has not been previously published as pathogenic or benign to our knowledge -

not specified Uncertain:1
Apr 21, 2017
Quest Diagnostics Nichols Institute San Juan Capistrano
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Hereditary cancer-predisposing syndrome Uncertain:1
Apr 23, 2024
Ambry Genetics
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

The c.6068C>T (p.T2023I) alteration is located in exon 44 (coding exon 44) of the POLE gene. This alteration results from a C to T substitution at nucleotide position 6068, causing the threonine (T) at amino acid position 2023 to be replaced by an isoleucine (I). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.44
BayesDel_addAF
Uncertain
0.11
D
BayesDel_noAF
Uncertain
-0.080
CADD
Pathogenic
26
DANN
Uncertain
1.0
DEOGEN2
Benign
0.23
T;.
Eigen
Uncertain
0.61
Eigen_PC
Pathogenic
0.67
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.94
D;D
M_CAP
Benign
0.027
D
MetaRNN
Uncertain
0.61
D;D
MetaSVM
Benign
-0.59
T
MutationAssessor
Uncertain
2.1
M;.
PrimateAI
Uncertain
0.63
T
PROVEAN
Uncertain
-2.7
D;D
REVEL
Benign
0.26
Sift
Benign
0.049
D;D
Sift4G
Benign
0.093
T;T
Polyphen
0.67
P;.
Vest4
0.72
MutPred
0.36
Loss of glycosylation at T2023 (P = 0.0093);.;
MVP
0.74
MPC
0.51
ClinPred
0.88
D
GERP RS
5.6
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.14
gMVP
0.59

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs771628123; hg19: chr12-133209318; API