2-74958705-G-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_019896.4(POLE4):​c.26G>A​(p.Ser9Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000405 in 1,480,064 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 34)
Exomes 𝑓: 0.0000030 ( 0 hom. )

Consequence

POLE4
NM_019896.4 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.00900
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.04164511).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
POLE4NM_019896.4 linkuse as main transcriptc.26G>A p.Ser9Asn missense_variant 1/4 ENST00000483063.2
LOC105374809XR_002959406.2 linkuse as main transcriptn.148+27C>T intron_variant, non_coding_transcript_variant
LOC105374809XR_007087109.1 linkuse as main transcriptn.148+27C>T intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
POLE4ENST00000483063.2 linkuse as main transcriptc.26G>A p.Ser9Asn missense_variant 1/41 NM_019896.4 P1
POLE4ENST00000485527.5 linkuse as main transcriptn.1G>A non_coding_transcript_exon_variant 1/32
POLE4ENST00000459636.5 linkuse as main transcript upstream_gene_variant 3

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152174
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0000482
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000301
AC:
4
AN:
1327890
Hom.:
0
Cov.:
31
AF XY:
0.00000458
AC XY:
3
AN XY:
654350
show subpopulations
Gnomad4 AFR exome
AF:
0.0000793
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:
0.00000190
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152174
Hom.:
0
Cov.:
34
AF XY:
0.0000134
AC XY:
1
AN XY:
74352
show subpopulations
Gnomad4 AFR
AF:
0.0000482
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000113
ExAC
AF:
0.0000172
AC:
1

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 submitterclinical testingAmbry GeneticsMar 23, 2022The c.26G>A (p.S9N) alteration is located in exon 1 (coding exon 1) of the POLE4 gene. This alteration results from a G to A substitution at nucleotide position 26, causing the serine (S) at amino acid position 9 to be replaced by an asparagine (N). 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
Benign
0.11
BayesDel_addAF
Benign
-0.32
T
BayesDel_noAF
Benign
-0.70
CADD
Benign
11
DANN
Benign
0.97
DEOGEN2
Benign
0.0058
T
Eigen
Benign
-0.61
Eigen_PC
Benign
-0.52
FATHMM_MKL
Benign
0.042
N
LIST_S2
Benign
0.40
T
M_CAP
Benign
0.042
D
MetaRNN
Benign
0.042
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.81
L
MutationTaster
Benign
0.98
N
PrimateAI
Uncertain
0.77
T
PROVEAN
Benign
-0.97
N
REVEL
Benign
0.080
Sift
Benign
0.19
T
Sift4G
Uncertain
0.013
D
Polyphen
0.0
B
Vest4
0.054
MutPred
0.18
Loss of glycosylation at S9 (P = 1e-04);
MVP
0.22
MPC
0.37
ClinPred
0.095
T
GERP RS
2.6
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.11
gMVP
0.14

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: rs769194941; hg19: chr2-75185832; API