rs587778271

Variant summary

Our verdict is Pathogenic. The variant received 16 ACMG points: 16P and 0B. PVS1PP5_Very_Strong

The NM_000400.4(ERCC2):​c.1703_1704delTT​(p.Phe568TyrfsTer2) variant causes a frameshift change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000886 in 1,613,976 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely pathogenic (★★). Synonymous variant affecting the same amino acid position (i.e. F568F) has been classified as Likely benign. Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.00019 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000078 ( 0 hom. )

Consequence

ERCC2
NM_000400.4 frameshift

Scores

Not classified

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:14O:1

Conservation

PhyloP100: 8.55

Publications

9 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

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 16 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PP5
Variant 19-45353295-TAA-T is Pathogenic according to our data. Variant chr19-45353295-TAA-T is described in ClinVar as Pathogenic/Likely_pathogenic. ClinVar VariationId is 134095.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
ERCC2NM_000400.4 linkc.1703_1704delTT p.Phe568TyrfsTer2 frameshift_variant Exon 18 of 23 ENST00000391945.10 NP_000391.1 P18074-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
ERCC2ENST00000391945.10 linkc.1703_1704delTT p.Phe568TyrfsTer2 frameshift_variant Exon 18 of 23 1 NM_000400.4 ENSP00000375809.4 P18074-1

Frequencies

GnomAD3 genomes
AF:
0.000191
AC:
29
AN:
152014
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000242
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000189
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000353
Gnomad OTH
AF:
0.000478
GnomAD2 exomes
AF:
0.0000756
AC:
19
AN:
251240
AF XY:
0.0000663
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000579
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000462
Gnomad NFE exome
AF:
0.000141
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000780
AC:
114
AN:
1461844
Hom.:
0
AF XY:
0.0000963
AC XY:
70
AN XY:
727226
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.0000671
AC:
3
AN:
44716
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86252
European-Finnish (FIN)
AF:
0.000131
AC:
7
AN:
53418
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.0000899
AC:
100
AN:
1111982
Other (OTH)
AF:
0.0000662
AC:
4
AN:
60392
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.478
Heterozygous variant carriers
0
7
15
22
30
37
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:
0.000191
AC:
29
AN:
152132
Hom.:
0
Cov.:
32
AF XY:
0.000161
AC XY:
12
AN XY:
74368
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41494
American (AMR)
AF:
0.0000655
AC:
1
AN:
15278
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3466
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5172
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4814
European-Finnish (FIN)
AF:
0.000189
AC:
2
AN:
10604
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.000353
AC:
24
AN:
67986
Other (OTH)
AF:
0.000473
AC:
1
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.496
Heterozygous variant carriers
0
3
5
8
10
13
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:
0.000378
Hom.:
0
Bravo
AF:
0.000132

ClinVar

Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:14Other:1
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Pathogenic:6
Jan 05, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This sequence change creates a premature translational stop signal (p.Phe568Tyrfs*2) in the ERCC2 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in ERCC2 are known to be pathogenic (PMID: 9238033, 11335038, 19085937, 19934020). This variant is present in population databases (rs587778271, gnomAD 0.02%). This premature translational stop signal has been observed in individual(s) with clinical features of xeroderma pigmentosum with trichothiodystrophy (PMID: 11709541). ClinVar contains an entry for this variant (Variation ID: 134095). For these reasons, this variant has been classified as Pathogenic. -

Jul 21, 2025
GeneDx
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Identified with a second ERCC2 variant in individuals with features of xeroderma pigmentosum and trichothiodystrophy in the published literature, and in patients with ERCC2-related phenotypes referred for genetic testing at GeneDx (PMID: 11709541, 20633800); Reported previously in the heterozygous state in association with breast and/or ovarian cancer susceptibility (PMID: 26822949, 27153395, 29684080, 27504877); Frameshift variant predicted to result in protein truncation or nonsense mediated decay in a gene for which loss-of-function is a known mechanism of disease; This variant is associated with the following publications: (PMID: 27153395, 27504877, 29684080, 24728327, 20633800, 26689913, 35988656, 31589614, 29625052, 38496821, 36947458, 36451132, 26822949, 11709541) -

Jul 01, 2023
CeGaT Center for Human Genetics Tuebingen
Significance:Likely pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

ERCC2: PVS1, PS3:Supporting -

Mar 13, 2020
Revvity Omics, Revvity
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Nov 03, 2021
Institute for Clinical Genetics, University Hospital TU Dresden, University Hospital TU Dresden
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Feb 16, 2025
Laboratory of Genetics, Children's Clinical University Hospital Latvia
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Xeroderma pigmentosum, group D Pathogenic:2
Oct 15, 2001
OMIM
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:literature only

- -

Oct 25, 2018
Illumina Laboratory Services, Illumina
Significance:Likely pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The ERCC2 c.1703_1704delTT (p.Phe568TyrfsTer2) variant results in a frameshift and is predicted to result in premature termination of the protein. The p.Phe568TyrfsTer2 variant has been reported in at least two studies, in which it is found in a compound heterozygous state in two unrelated individuals with features of both xeroderma pigmentosa (XP) and trichothiodystrophy (TTD) (Broughton et al., 2001; Zhou et al., 2010). Control data are unavailable for this variant, which is reported at a frequency of 0.000174 in the European (non-Finnish) population of the Genome Aggregation Database. Due to the potential impact of frameshift variants and the limited number of cases, this variant is classified as likely pathogenic for xeroderma pigmentosum. This variant was observed by ICSL as part of a predisposition screen in an ostensibly healthy population. -

Xeroderma pigmentosum Pathogenic:1
Mar 31, 2025
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Variant summary: ERCC2 c.1703_1704delTT (p.Phe568TyrfsX2) results in a premature termination codon, predicted to cause a truncation of the encoded protein or absence of the protein due to nonsense mediated decay, which are commonly known mechanisms for disease. Truncations downstream of this position have been classified as pathogenic within ClinVar (e.g. c.1984C>T [p.Gln662Ter], c.2005del [p.Arg669fs]). The variant allele was found at a frequency of 7.6e-05 in 251240 control chromosomes, predominantly at a frequency of 0.00014 within the Non-Finnish European subpopulation in the gnomAD database. This frequency is not significantly higher than estimated for a pathogenic variant in ERCC2 causing Xeroderma Pigmentosum (7.6e-05 vs 0.00061), allowing no conclusion about variant significance. c.1703_1704delTT has been reported in the literature in individuals affected with Xeroderma Pigmentosum (Broughton_2001) and Trichothiodystrophy (Zhou_2010). These data indicate that the variant is very likely to be associated with disease. To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. The following publications have been ascertained in the context of this evaluation (PMID: 11709541, 20633800). ClinVar contains an entry for this variant (Variation ID: 134095). Based on the evidence outlined above, the variant was classified as pathogenic. -

Inborn genetic diseases Pathogenic:1
Jun 22, 2023
Ambry Genetics
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.1703_1704delTT (p.F568Yfs*2) alteration, located in exon 18 (coding exon 18) of the ERCC2 gene, consists of a deletion of 2 nucleotides from position 1703 to 1704, causing a translational frameshift with a predicted alternate stop codon after 2 amino acids. This alteration is expected to result in loss of function by premature protein truncation or nonsense-mediated mRNA decay. Based on data from gnomAD, this alteration has an overall frequency of 0.01% (29/282568) total alleles studied. The highest observed frequency was 0.019% (25/128994) of European (non-Finnish) alleles. This variant has been reported in combination with a second ERCC2 variant of unknown significance in an individual with clinical features consistent with ERCC2-related spectrum disorders (Zhou, 2010). Based on the available evidence, this alteration is classified as pathogenic. -

ERCC2-related disorder Pathogenic:1
Mar 24, 2023
PreventionGenetics, part of Exact Sciences
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The ERCC2 c.1703_1704delTT variant is predicted to result in a frameshift and premature protein termination (p.Phe568Tyrfs*2). This variant has been reported in the compound heterozygous state in two individuals with xeroderma pigmentosum (Broughton et al 2001. PubMed ID: 11709541, reported as 1781-1782 del TT; Zhou et al. 2010. PubMed ID: 20633800). This variant has also been reported in the heterozygous state in individuals with cancer, but it was also reported in controls (see for example, Lhota F et al 2016. PubMed ID: 26822949; Maxwell KN et al 2016. PubMed ID: 27153395). This variant is reported in 0.019% of alleles in individuals of European (Non-Finnish) descent in gnomAD (http://gnomad.broadinstitute.org/variant/19-45856553-TAA-T). Functional studies in vitro indicated that this variant disrupts excision repair (Rump A et al 2016. PubMed ID: 27504877), and frameshift variants in ERCC2 are expected to be pathogenic. Taken together, this variant is of uncertain clinical significance for predisposition to cancer; it is interpreted as pathogenic for autosomal recessive xeroderma pigmentosum. -

Xeroderma pigmentosum, group D;C1853102:Cerebrooculofacioskeletal syndrome 2;C1866504:Trichothiodystrophy 1, photosensitive Pathogenic:1
Mar 06, 2024
Fulgent Genetics, Fulgent Genetics
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Cerebrooculofacioskeletal syndrome 2 Pathogenic:1
Mar 24, 2024
Baylor Genetics
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Leukodystrophy Pathogenic:1
Jan 01, 2017
Centre for Mendelian Genomics, University Medical Centre Ljubljana
Significance:Likely pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not specified Other:1
Sep 19, 2013
ITMI
Significance:not provided
Review Status:no classification provided
Collection Method:reference population

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
PhyloP100
8.6
Mutation Taster
=0/200
disease causing (ClinVar)

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs587778271; hg19: chr19-45856553; COSMIC: COSV67267716; COSMIC: COSV67267716; API