19-45352197-C-T

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The ENST00000391944.8(ERCC2):​c.2202G>A​(p.Ala734Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00239 in 1,613,114 control chromosomes in the GnomAD database, including 105 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★). Synonymous variant affecting the same amino acid position (i.e. A734A) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0042 ( 17 hom., cov: 32)
Exomes 𝑓: 0.0022 ( 88 hom. )

Consequence

ERCC2
ENST00000391944.8 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: -2.82

Publications

3 publications found
Variant links:
Genes affected
ERCC2 (HGNC:3434): (ERCC excision repair 2, TFIIH core complex helicase subunit) The nucleotide excision repair pathway is a mechanism to repair damage to DNA. The protein encoded by this gene is involved in transcription-coupled nucleotide excision repair and is an integral member of the basal transcription factor BTF2/TFIIH complex. The gene product has ATP-dependent DNA helicase activity and belongs to the RAD3/XPD subfamily of helicases. Defects in this gene can result in three different disorders, the cancer-prone syndrome xeroderma pigmentosum complementation group D, trichothiodystrophy, and Cockayne syndrome. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Aug 2008]
ERCC2 Gene-Disease associations (from GenCC):
  • cerebrooculofacioskeletal syndrome 2
    Inheritance: AR Classification: DEFINITIVE Submitted by: G2P
  • trichothiodystrophy 1, photosensitive
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Illumina, Labcorp Genetics (formerly Invitae), G2P, Genomics England PanelApp
  • xeroderma pigmentosum group D
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Genomics England PanelApp, Laboratory for Molecular Medicine, ClinGen, Labcorp Genetics (formerly Invitae), G2P
  • sarcoma
    Inheritance: AR Classification: MODERATE Submitted by: Genomics England PanelApp
  • COFS syndrome
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • trichothiodystrophy
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • xeroderma pigmentosum
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • xeroderma pigmentosum-Cockayne syndrome complex
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.82).
BP6
Variant 19-45352197-C-T is Benign according to our data. Variant chr19-45352197-C-T is described in CliVar as Benign. Clinvar id is 256019.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr19-45352197-C-T is described in CliVar as Benign. Clinvar id is 256019.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr19-45352197-C-T is described in CliVar as Benign. Clinvar id is 256019.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr19-45352197-C-T is described in CliVar as Benign. Clinvar id is 256019.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr19-45352197-C-T is described in CliVar as Benign. Clinvar id is 256019.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr19-45352197-C-T is described in CliVar as Benign. Clinvar id is 256019.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr19-45352197-C-T is described in CliVar as Benign. Clinvar id is 256019.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr19-45352197-C-T is described in CliVar as Benign. Clinvar id is 256019.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr19-45352197-C-T is described in CliVar as Benign. Clinvar id is 256019.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr19-45352197-C-T is described in CliVar as Benign. Clinvar id is 256019.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr19-45352197-C-T is described in CliVar as Benign. Clinvar id is 256019.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr19-45352197-C-T is described in CliVar as Benign. Clinvar id is 256019.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr19-45352197-C-T is described in CliVar as Benign. Clinvar id is 256019.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr19-45352197-C-T is described in CliVar as Benign. Clinvar id is 256019.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-2.82 with no splicing effect.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.0539 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
ERCC2NM_000400.4 linkc.2190+12G>A intron_variant Intron 22 of 22 ENST00000391945.10 NP_000391.1 P18074-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
ERCC2ENST00000391945.10 linkc.2190+12G>A intron_variant Intron 22 of 22 1 NM_000400.4 ENSP00000375809.4 P18074-1

Frequencies

GnomAD3 genomes
AF:
0.00416
AC:
632
AN:
152102
Hom.:
18
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00637
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00190
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.0597
Gnomad SAS
AF:
0.00207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000176
Gnomad OTH
AF:
0.00382
GnomAD2 exomes
AF:
0.00520
AC:
1298
AN:
249692
AF XY:
0.00462
show subpopulations
Gnomad AFR exome
AF:
0.00652
Gnomad AMR exome
AF:
0.000638
Gnomad ASJ exome
AF:
0.0000995
Gnomad EAS exome
AF:
0.0594
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000106
Gnomad OTH exome
AF:
0.00197
GnomAD4 exome
AF:
0.00220
AC:
3221
AN:
1460894
Hom.:
88
Cov.:
33
AF XY:
0.00209
AC XY:
1522
AN XY:
726756
show subpopulations
African (AFR)
AF:
0.00669
AC:
224
AN:
33460
American (AMR)
AF:
0.000649
AC:
29
AN:
44692
Ashkenazi Jewish (ASJ)
AF:
0.0000766
AC:
2
AN:
26126
East Asian (EAS)
AF:
0.0549
AC:
2179
AN:
39688
South Asian (SAS)
AF:
0.00183
AC:
158
AN:
86196
European-Finnish (FIN)
AF:
0.0000188
AC:
1
AN:
53214
Middle Eastern (MID)
AF:
0.00130
AC:
7
AN:
5404
European-Non Finnish (NFE)
AF:
0.000186
AC:
207
AN:
1111792
Other (OTH)
AF:
0.00686
AC:
414
AN:
60322
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.493
Heterozygous variant carriers
0
198
396
593
791
989
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
60
120
180
240
300
<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:
0.00416
AC:
633
AN:
152220
Hom.:
17
Cov.:
32
AF XY:
0.00434
AC XY:
323
AN XY:
74440
show subpopulations
African (AFR)
AF:
0.00643
AC:
267
AN:
41536
American (AMR)
AF:
0.00190
AC:
29
AN:
15292
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.0594
AC:
307
AN:
5168
South Asian (SAS)
AF:
0.00207
AC:
10
AN:
4820
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10608
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.000176
AC:
12
AN:
68006
Other (OTH)
AF:
0.00378
AC:
8
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.496
Heterozygous variant carriers
0
26
53
79
106
132
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
20
40
60
80
100
<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:
0.00225
Hom.:
0
Bravo
AF:
0.00476
Asia WGS
AF:
0.0350
AC:
121
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:7
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:3
-
Genome Diagnostics Laboratory, University Medical Center Utrecht
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

-
Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

-
PreventionGenetics, part of Exact Sciences
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not provided Benign:3
Jun 15, 2019
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Feb 02, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

-
Breakthrough Genomics, Breakthrough Genomics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Xeroderma pigmentosum, group D Benign:1
Jan 12, 2018
Illumina Laboratory Services, Illumina
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.82
CADD
Benign
1.1
DANN
Benign
0.71
PhyloP100
-2.8
Mutation Taster
=100/0
polymorphism (auto)

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

Other links and lift over

dbSNP: rs3916881; hg19: chr19-45855455; COSMIC: COSV67270495; COSMIC: COSV67270495; API