Annotations: 9QEC

Cryo-EM structure of the XPF-ERCC1-XPA complex

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Restriction endonuclease-like	8036551	3000104	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Helix-hairpin-helix tandem	8036446	3000163	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Helix-hairpin-helix tandem	8036445	3000163	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	RVP	e9qecC1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: RVP	ECOD (v294.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF00633	Helix-hairpin-helix motif (HHH)	Helix-hairpin-helix motif	-	Motif
B	PF03834	Binding domain of DNA repair protein Ercc1 (rad10/Swi10) (Rad10)	Binding domain of DNA repair protein Ercc1 (rad10/Swi10)	Ercc1 and XPF (xeroderma pigmentosum group F-complementing protein) are two structure-specific endonucleases of a class of seven containing an ERCC4 domain. Together they form an obligate complex that functions primarily in nucleotide excision repair ...	Ercc1 and XPF (xeroderma pigmentosum group F-complementing protein) are two structure-specific endonucleases of a class of seven containing an ERCC4 domain. Together they form an obligate complex that functions primarily in nucleotide excision repair (NER), a versatile pathway able to detect and remove a variety of DNA lesions induced by UV light and environmental carcinogens, and secondarily in DNA interstrand cross-link repair and telomere maintenance. This domain in fact binds simultaneously to both XPF and single-stranded DNA; this ternary complex explains the important role of Ercc1 in targeting its catalytic XPF partner to the NER pre-incision complex [3].	Domain
A	PF02732	ERCC4 domain (ERCC4)	ERCC4 domain	This domain is a family of nucleases. The family includes EME1 which is an essential component of a Holliday junction resolvase [2-3]. EME1 interacts with MUS81 to form a DNA structure-specific endonuclease.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C	DNA repair protein complementing XP-A cells	protein binding binding protein domain specific binding identical protein binding protein homodimerization activity protein dimerization activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding DNA binding damaged DNA binding protein binding binding protein domain specific binding identical protein binding protein homodimerization activity protein dimerization activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding DNA binding damaged DNA binding nucleic acid binding sequence-specific DNA binding sequence-specific double-stranded DNA binding double-stranded DNA binding	cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleotide-excision repair involved in interstrand cross-link repair nucleic acid metabolic process nucleobase-containing compound metabolic process cellular response to stress DNA damage response nucleotide-excision repair response to stress metabolic process cellular process interstrand cross-link repair cellular response to stimulus response to stimulus primary metabolic process DNA metabolic process nucleotide-excision repair involved in interstrand cross-link repair nucleic acid metabolic process nucleobase-containing compound metabolic process cellular response to stress DNA damage response nucleotide-excision repair response to stress metabolic process cellular process interstrand cross-link repair macromolecule metabolic process DNA repair base-excision repair nucleotide-excision repair, DNA damage recognition chromosome organization cellular component organization organelle organization cellular component organization or biogenesis response to light stimulus cellular response to environmental stimulus cellular response to light stimulus cellular response to radiation response to UV UV-damage excision repair response to radiation response to abiotic stimulus cellular response to abiotic stimulus cellular response to UV UV protection localization protein localization to organelle macromolecule localization protein localization to nucleus intracellular protein localization	membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle nucleotide-excision repair factor 1 complex intracellular organelle cellular anatomical structure organelle nucleotide-excision repair complex membrane-enclosed lumen intracellular membraneless organelle intracellular organelle lumen membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle nucleotide-excision repair factor 1 complex intracellular organelle cellular anatomical structure organelle nucleotide-excision repair complex membrane-enclosed lumen intracellular membraneless organelle intracellular organelle lumen nuclear body nucleoplasm organelle lumen membraneless organelle nuclear lumen
B	DNA excision repair protein ERCC-1	TFIID-class transcription factor complex binding transcription factor binding RNA polymerase binding protein binding binding RNA polymerase II complex binding general transcription initiation factor binding RNA polymerase core enzyme binding enzyme binding RNA polymerase II general transcription initiation factor binding DNA binding damaged DNA binding nucleic acid binding chromatin binding TFIID-class transcription factor complex binding transcription factor binding RNA polymerase binding protein binding binding RNA polymerase II complex binding general transcription initiation factor binding RNA polymerase core enzyme binding enzyme binding RNA polymerase II general transcription initiation factor binding DNA binding damaged DNA binding nucleic acid binding chromatin binding promoter-specific chromatin binding single-stranded DNA binding	cellular response to stimulus telomere maintenance in response to DNA damage negative regulation of telomere maintenance regulation of cellular process response to stimulus regulation of cellular response to stress negative regulation of biological process telomere organization regulation of primary metabolic process nucleobase-containing compound metabolic process negative regulation of chromosome organization negative regulation of nucleobase-containing compound metabolic process negative regulation of telomere maintenance in response to DNA damage regulation of nucleobase-containing compound metabolic process cellular response to stimulus telomere maintenance in response to DNA damage negative regulation of telomere maintenance regulation of cellular process response to stimulus regulation of cellular response to stress negative regulation of biological process telomere organization regulation of primary metabolic process nucleobase-containing compound metabolic process negative regulation of chromosome organization negative regulation of nucleobase-containing compound metabolic process negative regulation of telomere maintenance in response to DNA damage regulation of nucleobase-containing compound metabolic process regulation of biological process negative regulation of cellular component organization negative regulation of metabolic process primary metabolic process DNA metabolic process regulation of chromosome organization regulation of organelle organization telomere maintenance telomere capping regulation of response to stimulus metabolic process macromolecule metabolic process regulation of metabolic process regulation of DNA metabolic process regulation of telomere maintenance regulation of cellular component organization regulation of protection from non-homologous end joining at telomere cellular component organization cellular response to stress response to stress regulation of response to stress negative regulation of cellular process cellular component organization or biogenesis negative regulation of macromolecule metabolic process regulation of telomere maintenance in response to DNA damage negative regulation of response to stimulus protection from non-homologous end joining at telomere biological regulation chromosome organization regulation of macromolecule metabolic process negative regulation of protection from non-homologous end joining at telomere nucleic acid metabolic process organelle organization negative regulation of organelle organization DNA damage response cellular process negative regulation of telomere capping negative regulation of DNA metabolic process regulation of telomere capping formation of extrachromosomal circular DNA cellular component biogenesis cellular component assembly telomere maintenance via telomere trimming t-circle formation DNA recombination mitotic recombination telomeric DNA-containing double minutes formation telomere maintenance via recombination positive regulation of organelle organization positive regulation of cellular component organization regulation of t-circle formation positive regulation of biological process positive regulation of metabolic process positive regulation of macromolecule metabolic process positive regulation of cellular process positive regulation of telomere maintenance positive regulation of cellular component biogenesis regulation of cellular component biogenesis positive regulation of chromosome organization positive regulation of DNA metabolic process positive regulation of t-circle formation DNA repair nucleotide-excision repair response to light stimulus cellular response to environmental stimulus cellular response to light stimulus cellular response to radiation response to UV UV-damage excision repair response to radiation response to abiotic stimulus cellular response to abiotic stimulus cellular response to UV response to oxidative stress double-strand break repair double-strand break repair via nonhomologous end joining	membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle nucleotide-excision repair complex ERCC4-ERCC1 complex cytoplasm membrane-enclosed lumen intracellular organelle lumen membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle nucleotide-excision repair complex ERCC4-ERCC1 complex cytoplasm membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen nucleotide-excision repair factor 1 complex membraneless organelle intracellular membraneless organelle chromosome chromosome, telomeric region chromosomal region
A	DNA repair endonuclease XPF	TFIID-class transcription factor complex binding transcription factor binding RNA polymerase binding protein binding binding RNA polymerase II complex binding general transcription initiation factor binding RNA polymerase core enzyme binding enzyme binding RNA polymerase II general transcription initiation factor binding DNA endonuclease activity endonuclease activity catalytic activity, acting on DNA nuclease activity TFIID-class transcription factor complex binding transcription factor binding RNA polymerase binding protein binding binding RNA polymerase II complex binding general transcription initiation factor binding RNA polymerase core enzyme binding enzyme binding RNA polymerase II general transcription initiation factor binding DNA endonuclease activity endonuclease activity catalytic activity, acting on DNA nuclease activity catalytic activity, acting on a nucleic acid catalytic activity DNA nuclease activity DNA binding damaged DNA binding nucleic acid binding protein-macromolecule adaptor activity molecular adaptor activity chromatin binding promoter-specific chromatin binding single-stranded DNA endonuclease activity hydrolase activity, acting on ester bonds hydrolase activity identical protein binding single-stranded DNA binding	sexual reproduction homologous recombination reproductive process resolution of meiotic recombination intermediates meiotic cell cycle process nucleobase-containing compound metabolic process cellular component organization meiosis I meiotic nuclear division cell cycle cellular component organization or biogenesis reciprocal homologous recombination cell cycle process meiotic cell cycle sexual reproduction homologous recombination reproductive process resolution of meiotic recombination intermediates meiotic cell cycle process nucleobase-containing compound metabolic process cellular component organization meiosis I meiotic nuclear division cell cycle cellular component organization or biogenesis reciprocal homologous recombination cell cycle process meiotic cell cycle DNA recombination organelle fission primary metabolic process DNA metabolic process nucleic acid metabolic process reciprocal meiotic recombination nuclear division organelle organization meiosis I cell cycle process cellular process metabolic process macromolecule metabolic process cellular response to stimulus telomere maintenance in response to DNA damage negative regulation of telomere maintenance regulation of cellular process response to stimulus regulation of cellular response to stress negative regulation of biological process telomere organization regulation of primary metabolic process negative regulation of chromosome organization negative regulation of nucleobase-containing compound metabolic process negative regulation of telomere maintenance in response to DNA damage regulation of nucleobase-containing compound metabolic process regulation of biological process negative regulation of cellular component organization negative regulation of metabolic process regulation of chromosome organization regulation of organelle organization telomere maintenance telomere capping regulation of response to stimulus regulation of metabolic process regulation of DNA metabolic process regulation of telomere maintenance regulation of cellular component organization regulation of protection from non-homologous end joining at telomere cellular response to stress response to stress regulation of response to stress negative regulation of cellular process negative regulation of macromolecule metabolic process regulation of telomere maintenance in response to DNA damage negative regulation of response to stimulus protection from non-homologous end joining at telomere biological regulation chromosome organization regulation of macromolecule metabolic process negative regulation of protection from non-homologous end joining at telomere negative regulation of organelle organization DNA damage response negative regulation of telomere capping negative regulation of DNA metabolic process regulation of telomere capping mitotic recombination telomeric DNA-containing double minutes formation telomere maintenance via recombination nucleotide-excision repair involved in interstrand cross-link repair nucleotide-excision repair interstrand cross-link repair DNA repair double-strand break repair recombinational repair double-strand break repair via homologous recombination response to light stimulus response to radiation response to abiotic stimulus response to UV cellular response to radiation cellular response to environmental stimulus cellular response to light stimulus cellular response to abiotic stimulus cellular response to UV negative regulation of telomere maintenance via telomere lengthening telomere maintenance via telomere lengthening regulation of telomere maintenance via telomere lengthening double-strand break repair via nonhomologous end joining	membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle nucleotide-excision repair complex ERCC4-ERCC1 complex membrane-enclosed lumen intracellular organelle lumen nucleoplasm membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle nucleotide-excision repair complex ERCC4-ERCC1 complex membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen nucleotide-excision repair factor 1 complex intracellular membraneless organelle nuclear body membraneless organelle chromosome chromosome, telomeric region chromosomal region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR022658	XPA, conserved site	Conserved Site
C	IPR009061	Putative DNA-binding domain superfamily	Homologous Superfamily
C	IPR022656	XPA, C-terminal	Domain
C	IPR022652	Zinc finger, XPA-type, conserved site	Conserved Site
C	IPR000465	XPA/RAD14	Family
C	IPR037129	XPA domain superfamily	Homologous Superfamily
B	IPR011335	Restriction endonuclease type II-like	Homologous Superfamily
B	IPR010994	RuvA domain 2-like	Homologous Superfamily
B	IPR004579	ERCC1/RAD10/SWI10 family	Family
B	IPR060101	SAM-like helix-hairpin-helix tandem	Domain
B	IPR047260	ERCC1-like, central domain	Domain
A	IPR011335	Restriction endonuclease type II-like	Homologous Superfamily
A	IPR006167	DNA repair protein XPF	Family
A	IPR010994	RuvA domain 2-like	Homologous Superfamily
A	IPR006166	ERCC4 domain	Domain
A	IPR047520	DNA repair endonuclease XPF, nuclease domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
C	: P23025	xeroderma pigmentosum skin basal cell carcinoma skin neoplasm xeroderma pigmentosum group A intestinal cancer liver cancer Micronuclei, Chromosome-Defective skin cancer thyroid gland carcinoma Cockayne syndrome hyperthyroidism melanoma ovarian cancer skin pigmented basal cell carcinoma trichothiodystrophy xeroderma pigmentosum skin basal cell carcinoma skin neoplasm xeroderma pigmentosum group A intestinal cancer liver cancer Micronuclei, Chromosome-Defective skin cancer thyroid gland carcinoma Cockayne syndrome hyperthyroidism melanoma ovarian cancer skin pigmented basal cell carcinoma trichothiodystrophy cutaneous melanoma hypothyroidism intestinal neoplasm liver neoplasm pancreatic intraductal papillary-mucinous neoplasm squamous cell carcinoma Hashimoto thyroiditis intellectual disability malignant mesothelioma osteosarcoma progressive supranuclear palsy
B	: P07992	cerebrooculofacioskeletal syndrome 4 melanoma nasopharyngeal carcinoma cancer peripheral neuropathy cervical cancer germ cell tumor Arsenic Poisoning non-small cell lung carcinoma peripheral nervous system disease COFS syndrome embryonal neoplasm coloboma gastric cancer testicular cancer cerebrooculofacioskeletal syndrome 4 melanoma nasopharyngeal carcinoma cancer peripheral neuropathy cervical cancer germ cell tumor Arsenic Poisoning non-small cell lung carcinoma peripheral nervous system disease COFS syndrome embryonal neoplasm coloboma gastric cancer testicular cancer inherited disease susceptibility lung carcinoma ovarian cancer Cockayne syndrome type 2 cutaneous melanoma short stature-delayed bone age due to thyroid hormone metabolism deficiency gastric neoplasm xeroderma pigmentosum intellectual disability benign neoplasm cataract pancreatic intraductal papillary-mucinous carcinoma Sjogren syndrome hereditary diffuse gastric adenocarcinoma lung adenocarcinoma medulloblastoma breast cancer osteosarcoma pancreatic intraductal papillary-mucinous neoplasm Cockayne syndrome
A	: Q92889	xeroderma pigmentosum Fanconi anemia Fanconi anemia complementation group Q XFE progeroid syndrome xeroderma pigmentosum group F Arsenic Poisoning germ cell tumor urinary bladder cancer peripheral nervous system disease Cockayne syndrome embryonal neoplasm peripheral neuropathy gastric cancer squamous cell carcinoma hematopoietic and lymphoid system neoplasm xeroderma pigmentosum Fanconi anemia Fanconi anemia complementation group Q XFE progeroid syndrome xeroderma pigmentosum group F Arsenic Poisoning germ cell tumor urinary bladder cancer peripheral nervous system disease Cockayne syndrome embryonal neoplasm peripheral neuropathy gastric cancer squamous cell carcinoma hematopoietic and lymphoid system neoplasm inherited disease susceptibility aplastic anemia malignant ependymoma malignant pancreatic neoplasm Cockayne syndrome type 1 osteosarcoma pancreatic ductal adenocarcinoma gastric carcinoma testicular cancer hepatocellular carcinoma intellectual disability melanoma congenital anemia diabetes mellitus ovarian carcinoma esophageal atresia/tracheoesophageal fistula psoriasis skin basal cell carcinoma glioblastoma urinary bladder neoplasm inherited aplastic anemia xeroderma pigmentosum-Cockayne syndrome complex large cell medulloblastoma attention deficit hyperactivity disorder, inattentive type cutaneous melanoma neurofibromatosis type 1 ovarian neoplasm exocrine pancreatic carcinoma

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.