Variant chr2-74958870-T-C details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_019896.4(POLE4):c.191T>C(p.Ile64Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000257 in 1,559,424 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 Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

POLE4
NM_019896.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.53

Variant links:

Genes affected

POLE4 (HGNC:18755): (DNA polymerase epsilon 4, accessory subunit) POLE4 is a histone-fold protein that interacts with other histone-fold proteins to bind DNA in a sequence-independent manner. These histone-fold protein dimers combine within larger enzymatic complexes for DNA transcription, replication, and packaging.[supplied by OMIM, Apr 2004]

POLE4 links:

LOC105374809 (HGNC:):

LOC105374809 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.25170347).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE
POLE4	NM_019896.4 linkuse as main transcript	c.191T>C	p.Ile64Thr	missense_variant	1/4	ENST00000483063.2
LOC105374809	XR_002959406.2 linkuse as main transcript	n.10A>G		non_coding_transcript_exon_variant	1/2
LOC105374809	XR_007087109.1 linkuse as main transcript	n.10A>G		non_coding_transcript_exon_variant	1/2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris
POLE4	ENST00000483063.2 linkuse as main transcript	c.191T>C	p.Ile64Thr	missense_variant	1/4	1	NM_019896.4	P1
POLE4	ENST00000233699.8 linkuse as main transcript	n.79T>C		non_coding_transcript_exon_variant	1/5	3
POLE4	ENST00000459636.5 linkuse as main transcript	n.165T>C		non_coding_transcript_exon_variant	1/4	3
POLE4	ENST00000485527.5 linkuse as main transcript	n.166T>C		non_coding_transcript_exon_variant	1/3	2

Frequencies

GnomAD3 genomes

AF:

0.00000658

AC:

AN:

152048

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000194

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000121

AC:

AN:

165070

Hom.:

AF XY:

0.0000228

AC XY:

AN XY:

87766

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000169

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000213

AC:

AN:

1407376

Hom.:

Cov.:

AF XY:

0.00000432

AC XY:

AN XY:

695132

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000552

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

9.23e-7

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000658

AC:

AN:

152048

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74262

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000194

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.00000378

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Mar 20, 2024

The c.191T>C (p.I64T) alteration is located in exon 1 (coding exon 1) of the POLE4 gene. This alteration results from a T to C substitution at nucleotide position 191, causing the isoleucine (I) at amino acid position 64 to be replaced by a threonine (T). 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

Pathogenic

0.78

BayesDel_addAF

Benign

-0.25

BayesDel_noAF

Benign

-0.33

CADD

Uncertain

DANN

Uncertain

0.99

DEOGEN2

Benign

0.069

Eigen

Benign

-0.0052

Eigen_PC

Benign

0.11

FATHMM_MKL

Benign

0.18

LIST_S2

Benign

0.85

M_CAP

Benign

0.040

MetaRNN

Benign

0.25

MetaSVM

Benign

-1.1

MutationAssessor

Benign

-0.60

MutationTaster

Benign

0.97

PrimateAI

Pathogenic

0.85

PROVEAN

Uncertain

-3.0

REVEL

Benign

0.20

Sift

Uncertain

0.022

Sift4G

Benign

0.12

Polyphen

0.68

Vest4

0.34

MutPred

0.50

Loss of stability (P = 0.0204);

MVP

0.59

MPC

0.39

ClinPred

0.59

GERP RS

4.2

Varity_R

0.52

gMVP

0.40

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over