rs199545019

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4_StrongBP6

The NM_002691.4(POLD1):c.883G>A(p.Val295Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000462 in 1,591,384 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V295L) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00059 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00045 ( 1 hom. )

Consequence

POLD1
NM_002691.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:13O:1

Conservation

PhyloP100: 0.624

Publications

15 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

POLD1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.03110981).

BP6

Variant 19-50402654-G-A is Benign according to our data. Variant chr19-50402654-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 239373.

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

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
POLD1	NM_002691.4	MANE Select	c.883G>A	p.Val295Met	missense	Exon 8 of 27	NP_002682.2	P28340
POLD1	NM_001308632.1		c.883G>A	p.Val295Met	missense	Exon 7 of 26	NP_001295561.1	M0R2B7
POLD1	NM_001256849.1		c.883G>A	p.Val295Met	missense	Exon 8 of 27	NP_001243778.1	P28340

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
POLD1	ENST00000440232.7	TSL:1 MANE Select	c.883G>A	p.Val295Met	missense	Exon 8 of 27	ENSP00000406046.1	P28340
POLD1	ENST00000595904.6	TSL:1	c.883G>A	p.Val295Met	missense	Exon 8 of 27	ENSP00000472445.1	M0R2B7
POLD1	ENST00000599857.7	TSL:1	c.883G>A	p.Val295Met	missense	Exon 8 of 27	ENSP00000473052.1	P28340

Frequencies

GnomAD3 genomes

AF:

0.000591

AC:

AN:

152250

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000145

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00190

Gnomad ASJ

AF:

0.00173

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00633

Gnomad NFE

AF:

0.000588

Gnomad OTH

AF:

0.00335

GnomAD2 exomes

AF:

0.000553

AC:

121

AN:

218624

AF XY:

0.000549

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00125

Gnomad ASJ exome

AF:

0.00129

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000558

Gnomad OTH exome

AF:

0.00127

GnomAD4 exome

AF:

0.000449

AC:

646

AN:

1439016

Hom.:

Cov.:

AF XY:

0.000422

AC XY:

301

AN XY:

713450

show subpopulations

African (AFR)

AF:

0.000211

AC:

AN:

33198

American (AMR)

AF:

0.00160

AC:

AN:

41152

Ashkenazi Jewish (ASJ)

AF:

0.00105

AC:

AN:

25606

East Asian (EAS)

AF:

0.0000257

AC:

AN:

38922

South Asian (SAS)

AF:

0.000345

AC:

AN:

84064

European-Finnish (FIN)

AF:

0.0000194

AC:

AN:

51528

Middle Eastern (MID)

AF:

0.00461

AC:

AN:

4986

European-Non Finnish (NFE)

AF:

0.000389

AC:

428

AN:

1100194

Other (OTH)

AF:

0.00108

AC:

AN:

59366

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.486

Heterozygous variant carriers

119

159

199

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

100

<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:

0.000591

AC:

AN:

152368

Hom.:

Cov.:

AF XY:

0.000537

AC XY:

AN XY:

74514

show subpopulations

African (AFR)

AF:

0.000144

AC:

AN:

41592

American (AMR)

AF:

0.00189

AC:

AN:

15312

Ashkenazi Jewish (ASJ)

AF:

0.00173

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00680

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000588

AC:

AN:

68030

Other (OTH)

AF:

0.00331

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.496

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.000635

Hom.:

Bravo

AF:

0.000714

TwinsUK

AF:

0.000809

AC:

ALSPAC

AF:

0.00104

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000466

AC:

ExAC

AF:

0.000372

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

ClinVar submissions

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (7)

not specified (4)

Colorectal cancer, susceptibility to, 10 (2)

Hereditary cancer-predisposing syndrome (2)

Carcinoma of colon (1)

POLD1-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.17

BayesDel_addAF

Benign

-0.61

BayesDel_noAF

Benign

-0.69

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.12

Eigen

Benign

-0.22

Eigen_PC

Benign

-0.14

FATHMM_MKL

Benign

0.73

LIST_S2

Uncertain

0.97

M_CAP

Benign

0.017

MetaRNN

Benign

0.031

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.090

PhyloP100

0.62

PrimateAI

Uncertain

0.50

PROVEAN

Benign

0.41

REVEL

Benign

0.057

Sift

Benign

0.092

Sift4G

Benign

0.081

Polyphen

0.41

Vest4

0.40

MVP

0.53

MPC

0.21

ClinPred

0.014

GERP RS

3.6

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.8

Varity_R

0.071

gMVP

0.45

Mutation Taster

=93/7

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.15

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over