rs772866918

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 1P and 0B. PP3

The NM_002691.4(POLD1):​c.202G>A​(p.Gly68Arg) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000213 in 1,551,802 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 2/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G68E) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000022 ( 0 hom. )

Consequence

POLD1
NM_002691.4 missense, splice_region

Scores

2
16
Splicing: ADA: 0.9975
2

Clinical Significance

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

Conservation

PhyloP100: 2.27

Publications

3 publications found
Variant links:
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]
POLD1 Gene-Disease associations (from GenCC):
  • mandibular hypoplasia-deafness-progeroid syndrome
    Inheritance: AD, AR Classification: DEFINITIVE, STRONG, SUPPORTIVE, LIMITED Submitted by: G2P, Orphanet, Ambry Genetics, Labcorp Genetics (formerly Invitae), ClinGen, Genomics England PanelApp
  • POLD1-related polyposis and colorectal cancer syndrome
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • colorectal cancer, susceptibility to, 10
    Inheritance: AD Classification: STRONG, MODERATE Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), Genomics England PanelApp
  • Polymerase proofreading-related adenomatous polyposis
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • immunodeficiency 120
    Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics
  • non-severe combined immunodeficiency due to polymerase delta deficiency
    Inheritance: AR Classification: LIMITED Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PP3
Splicing predictors support a deleterious effect. Scorers claiming Pathogenic: dbscSNV1_ADA, dbscSNV1_RF. Scorers claiming Uncertain: max_spliceai. No scorers claiming Benign.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002691.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
POLD1
NM_002691.4
MANE Select
c.202G>Ap.Gly68Arg
missense splice_region
Exon 2 of 27NP_002682.2P28340
POLD1
NM_001308632.1
c.202G>Ap.Gly68Arg
missense splice_region
Exon 1 of 26NP_001295561.1M0R2B7
POLD1
NM_001256849.1
c.202G>Ap.Gly68Arg
missense splice_region
Exon 2 of 27NP_001243778.1P28340

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
POLD1
ENST00000440232.7
TSL:1 MANE Select
c.202G>Ap.Gly68Arg
missense splice_region
Exon 2 of 27ENSP00000406046.1P28340
POLD1
ENST00000595904.6
TSL:1
c.202G>Ap.Gly68Arg
missense splice_region
Exon 2 of 27ENSP00000472445.1M0R2B7
POLD1
ENST00000599857.7
TSL:1
c.202G>Ap.Gly68Arg
missense splice_region
Exon 2 of 27ENSP00000473052.1P28340

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152232
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000190
AC:
3
AN:
157942
AF XY:
0.0000241
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000872
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000221
AC:
31
AN:
1399570
Hom.:
0
Cov.:
33
AF XY:
0.0000188
AC XY:
13
AN XY:
690380
show subpopulations
African (AFR)
AF:
0.0000631
AC:
2
AN:
31692
American (AMR)
AF:
0.00
AC:
0
AN:
35762
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25184
East Asian (EAS)
AF:
0.0000278
AC:
1
AN:
35944
South Asian (SAS)
AF:
0.0000379
AC:
3
AN:
79226
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
49486
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
4678
European-Non Finnish (NFE)
AF:
0.0000204
AC:
22
AN:
1079580
Other (OTH)
AF:
0.0000517
AC:
3
AN:
58018
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.469
Heterozygous variant carriers
0
2
4
6
8
10
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152232
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74384
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41460
American (AMR)
AF:
0.00
AC:
0
AN:
15286
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5200
South Asian (SAS)
AF:
0.000207
AC:
1
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10622
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68040
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.450
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000113
ExAC
AF:
0.00000996
AC:
1

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
2
-
not provided (2)
-
1
-
Colorectal cancer, susceptibility to, 10 (1)
-
1
-
Hereditary cancer-predisposing syndrome (1)
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.091
BayesDel_addAF
Benign
-0.24
T
BayesDel_noAF
Benign
-0.38
CADD
Uncertain
25
DANN
Benign
0.59
DEOGEN2
Benign
0.21
T
Eigen
Benign
-0.25
Eigen_PC
Benign
-0.37
FATHMM_MKL
Uncertain
0.84
D
LIST_S2
Benign
0.69
T
M_CAP
Benign
0.019
T
MetaRNN
Benign
0.15
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.20
N
PhyloP100
2.3
PrimateAI
Uncertain
0.54
T
PROVEAN
Benign
-1.6
N
REVEL
Benign
0.14
Sift
Benign
0.54
T
Sift4G
Benign
0.55
T
Polyphen
0.99
D
Vest4
0.44
MutPred
0.21
Loss of sheet (P = 0.0315)
MVP
0.48
MPC
0.38
ClinPred
0.11
T
GERP RS
2.3
PromoterAI
-0.086
Neutral
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
2.8
Varity_R
0.038
gMVP
0.49
Mutation Taster
=47/53
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
1.0
dbscSNV1_RF
Pathogenic
0.95
SpliceAI score (max)
0.50
Details are displayed if max score is > 0.2
DS_DL_spliceai
0.50
Position offset: 0

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

Publications

Other links and lift over

dbSNP: rs772866918; hg19: chr19-50902310; COSMIC: COSV70954419; COSMIC: COSV70954419; API
For research and educational, non-commercial use only. Not for clinical or diagnostic use. GeneBe does not provide medical advice. Data use for AI modeling is prohibited: if used, the cost is $0.001 per byte of downloaded uncompressed data.