Genetic Variant POLE:p.Arg1273Pro (chr12-132649493-C-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_006231.4(POLE):c.3818G>C(p.Arg1273Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1273L) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

POLE
NM_006231.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.22

Publications

0 publications found

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]

POLE Gene-Disease associations (from GenCC):

POLE-related polyposis and colorectal cancer syndrome
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
colorectal cancer, susceptibility to, 12
Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Ambry Genetics
facial dysmorphism-immunodeficiency-livedo-short stature syndrome
Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), Ambry Genetics
intrauterine growth retardation, metaphyseal dysplasia, adrenal hypoplasia congenita, genital anomalies, and immunodeficiency
Inheritance: AR Classification: STRONG Submitted by: G2P
IMAGe syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
Polymerase proofreading-related adenomatous polyposis
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

POLE links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
POLE	NM_006231.4 link	c.3818G>C	p.Arg1273Pro	missense_variant	Exon 31 of 49	ENST00000320574.10	NP_006222.2	Q07864

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
POLE	ENST00000320574.10 link	c.3818G>C	p.Arg1273Pro	missense_variant	Exon 31 of 49	1	NM_006231.4	ENSP00000322570.5		Q07864

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1459766

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726222

African (AFR)

AF:

0.00

AC:

AN:

33474

American (AMR)

AF:

0.00

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26128

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86204

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51742

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5504

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111960

Other (OTH)

AF:

0.00

AC:

AN:

60338

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.57

BayesDel_addAF

Benign

-0.018

BayesDel_noAF

Benign

-0.26

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.53

D;.

Eigen

Benign

-0.22

Eigen_PC

Benign

-0.24

FATHMM_MKL

Uncertain

0.83

LIST_S2

Uncertain

0.95

D;D

M_CAP

Benign

0.014

MetaRNN

Uncertain

0.69

D;D

MetaSVM

Benign

-0.91

MutationAssessor

Uncertain

2.8

M;.

PhyloP100

1.2

PrimateAI

Benign

0.19

PROVEAN

Uncertain

-2.4

N;N

REVEL

Benign

0.24

Sift

Benign

0.19

T;T

Sift4G

Benign

0.18

T;T

Polyphen

0.32

B;B

Vest4

0.78

MutPred

0.56

Gain of catalytic residue at L1269 (P = 0);.;

MVP

0.53

MPC

0.32

ClinPred

0.93

GERP RS

1.4

Varity_R

0.52

gMVP

0.60

Mutation Taster

=73/27

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.030

Details are displayed if max score is > 0.2

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over