Annotations: 8B8T

Open conformation of the complex of DNA ligase I on PCNA and DNA in the presence of ATP

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)
A	SCOP2B Superfamily	ATP-dependent DNA ligase DNA-binding domain	8043718	3001985	SCOP2B (2022-06-29)
B [auth E]	SCOP2B Superfamily	DNA clamp	8032799	3000780	SCOP2B (2022-06-29)
B [auth E]	SCOP2B Superfamily	DNA clamp	8032796	3000780	SCOP2B (2022-06-29)
C [auth F]	SCOP2B Superfamily	DNA clamp	8032796	3000780	SCOP2B (2022-06-29)
C [auth F]	SCOP2B Superfamily	DNA clamp	8032799	3000780	SCOP2B (2022-06-29)
D [auth G]	SCOP2B Superfamily	DNA clamp	8032799	3000780	SCOP2B (2022-06-29)
D [auth G]	SCOP2B Superfamily	DNA clamp	8032796	3000780	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)
A	Methyltransf_4	e8b8tA1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Methyltransf_4	ECOD (v295.2)
B [auth E]	Methyltransf_4	e8b8tE1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Methyltransf_4	ECOD (v295.2)
C [auth F]	Methyltransf_4	e8b8tF1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Methyltransf_4	ECOD (v295.2)
D [auth G]	Methyltransf_4	e8b8tG1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Methyltransf_4	ECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF04675	DNA ligase N terminus (DNA_ligase_A_N)	DNA ligase N terminus	-	Family
B [auth E], C [auth F], D [auth G]	PF02747	Proliferating cell nuclear antigen, C-terminal domain (PCNA_C)	Proliferating cell nuclear antigen, C-terminal domain	N-terminal and C-terminal domains of PCNA are topologically identical. Three PCNA molecules are tightly associated to form a closed ring encircling duplex DNA.	Domain
B [auth E], C [auth F], D [auth G]	PF00705	Proliferating cell nuclear antigen, N-terminal domain (PCNA_N)	Proliferating cell nuclear antigen, N-terminal domain	N-terminal and C-terminal domains of PCNA are topologically identical. Three PCNA molecules are tightly associated to form a closed ring encircling duplex DNA.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	DNA ligase 1	ligase activity, forming phosphoric ester bonds catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid catalytic activity DNA ligase activity ligase activity DNA ligase (ATP) activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding ligase activity, forming phosphoric ester bonds catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid catalytic activity DNA ligase activity ligase activity DNA ligase (ATP) activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding DNA binding nucleic acid binding cation binding metal ion binding	DNA-templated DNA replication lagging strand elongation primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process DNA strand elongation DNA replication metabolic process cellular process DNA strand elongation involved in DNA replication macromolecule metabolic process cell division cellular response to stimulus DNA-templated DNA replication lagging strand elongation primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process DNA strand elongation DNA replication metabolic process cellular process DNA strand elongation involved in DNA replication macromolecule metabolic process cell division cellular response to stimulus mismatch repair response to stimulus cellular response to stress DNA damage response response to stress DNA repair mitotic DNA replication nuclear DNA replication cell cycle DNA replication Okazaki fragment processing involved in mitotic DNA replication mitotic cell cycle mitotic cell cycle process DNA replication, Okazaki fragment processing cell cycle cell cycle process developmental process anatomical structure morphogenesis anatomical structure development DNA recombination nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid biosynthetic process biosynthetic process DNA biosynthetic process telomere organization chromosome organization telomere maintenance via semi-conservative replication telomere maintenance cellular component organization organelle organization cellular component organization or biogenesis base-excision repair base-excision repair, gap-filling	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle cellular anatomical structure nucleoplasm organelle lumen organelle nuclear lumen
B [auth E], C [auth F], D [auth G]	Proliferating cell nuclear antigen	protein-containing complex binding binding hydrolase activity, acting on glycosyl bonds catalytic activity, acting on DNA purine-specific mismatch base pair DNA N-glycosylase activity catalytic activity, acting on a nucleic acid hydrolase activity DNA N-glycosylase activity hydrolase activity, hydrolyzing N-glycosyl compounds catalytic activity mismatch base pair DNA N-glycosylase activity protein tyrosine kinase binding protein binding kinase binding protein-containing complex binding binding hydrolase activity, acting on glycosyl bonds catalytic activity, acting on DNA purine-specific mismatch base pair DNA N-glycosylase activity catalytic activity, acting on a nucleic acid hydrolase activity DNA N-glycosylase activity hydrolase activity, hydrolyzing N-glycosyl compounds catalytic activity mismatch base pair DNA N-glycosylase activity protein tyrosine kinase binding protein binding kinase binding signaling receptor binding receptor tyrosine kinase binding enzyme binding protein kinase binding identical protein binding chromatin binding DNA binding DNA insertion or deletion binding double-stranded DNA binding mismatched DNA binding dinucleotide insertion or deletion binding nucleic acid binding mismatch repair complex binding MutLalpha complex binding damaged DNA binding histone acetyltransferase binding enzyme regulator activity DNA polymerase processivity factor activity enzyme activator activity molecular function activator activity molecular function regulator activity transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding nuclear receptor binding DNA-binding transcription factor binding nuclear estrogen receptor binding DNA polymerase binding	developmental process heart development multicellular organism development multicellular organismal process anatomical structure development animal organ development animal gross anatomical part developmental process circulatory system development system development DNA-templated DNA replication DNA-templated DNA replication maintenance of fidelity primary metabolic process DNA metabolic process nucleic acid metabolic process developmental process heart development multicellular organism development multicellular organismal process anatomical structure development animal organ development animal gross anatomical part developmental process circulatory system development system development DNA-templated DNA replication DNA-templated DNA replication maintenance of fidelity primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process DNA replication metabolic process cellular process macromolecule metabolic process replication fork processing leading strand elongation DNA strand elongation DNA strand elongation involved in DNA replication ovulation cycle rhythmic process estrous cycle reproductive process multicellular organismal reproductive process cellular response to stimulus mismatch repair response to stimulus cellular response to stress DNA damage response response to stress DNA repair DNA repair-dependent chromatin remodeling cellular component organization chromatin organization chromatin remodeling cellular component organization or biogenesis regulation of cellular process positive regulation of DNA replication positive regulation of biological process regulation of primary metabolic process positive regulation of metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of biological process biological regulation regulation of macromolecule metabolic process positive regulation of DNA metabolic process regulation of metabolic process regulation of DNA metabolic process regulation of DNA replication epithelium development cellular developmental process cell differentiation tissue development epithelial cell differentiation translesion synthesis nucleobase-containing compound biosynthetic process DNA damage tolerance macromolecule biosynthetic process DNA synthesis involved in DNA replication nucleic acid biosynthetic process biosynthetic process DNA biosynthetic process regulation of cellular response to stress positive regulation of response to stimulus positive regulation of DNA repair regulation of response to stress regulation of DNA repair regulation of response to stimulus mitotic DNA replication nuclear DNA replication cell cycle DNA replication mitotic cell cycle mitotic cell cycle process cell cycle cell cycle process response to ketone response to lipid response to endogenous stimulus response to glucocorticoid response to oxygen-containing compound response to corticosteroid response to hormone response to steroid hormone response to chemical response to dexamethasone response to acid chemical response to nitrogen compound response to L-glutamate response to amino acid telomere organization telomere maintenance via semi-conservative replication mitotic telomere maintenance via semi-conservative replication chromosome organization telomere maintenance organelle organization gland development animal organ regeneration liver development regeneration hepaticobiliary system development liver regeneration cellular response to oxidative stress cellular response to chemical stress cellular response to oxygen-containing compound cellular response to hydrogen peroxide response to reactive oxygen species response to hydrogen peroxide response to oxidative stress cellular response to reactive oxygen species cellular response to chemical stimulus response to light stimulus cellular response to radiation response to UV cellular response to environmental stimulus cellular response to light stimulus response to radiation response to abiotic stimulus cellular response to abiotic stimulus cellular response to UV response to metal ion response to cadmium ion response to estradiol	protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex catalytic complex serine/threonine protein kinase complex cyclin-dependent protein kinase holoenzyme complex transferase complex extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex catalytic complex serine/threonine protein kinase complex cyclin-dependent protein kinase holoenzyme complex transferase complex extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular organelle intracellular anatomical structure membraneless organelle intracellular membraneless organelle chromatin chromosome PCNA complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle enzyme activator complex DNA polymerase processivity factor complex membrane-enclosed lumen nuclear replication fork nuclear chromosome intracellular organelle lumen organelle lumen replication fork nuclear lumen chromosome, telomeric region chromosomal region PCNA-p21 complex centrosome microtubule organizing center cytoskeleton microtubule cytoskeleton nucleoplasm endomembrane system organelle envelope nuclear envelope nuclear periphery nuclear lamina protein-DNA complex replisome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036599	DNA ligase, ATP-dependent, N-terminal domain superfamily	Homologous Superfamily
A	IPR012310	DNA ligase, ATP-dependent, central	Domain
A	IPR012308	DNA ligase, ATP-dependent, N-terminal	Domain
A	IPR016059	DNA ligase, ATP-dependent, conserved site	Conserved Site
A	IPR000977	DNA ligase, ATP-dependent	Family
A	IPR050191	ATP-dependent DNA ligase	Family
A	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
A	IPR012309	DNA ligase, ATP-dependent, C-terminal	Domain
B [auth E], C [auth F], D [auth G]	IPR046938	DNA clamp superfamily	Homologous Superfamily
B [auth E], C [auth F], D [auth G]	IPR022648	Proliferating cell nuclear antigen, PCNA, N-terminal	Domain
B [auth E], C [auth F], D [auth G]	IPR000730	Proliferating cell nuclear antigen, PCNA	Family
B [auth E], C [auth F], D [auth G]	IPR022649	Proliferating cell nuclear antigen, PCNA, C-terminal	Domain
B [auth E], C [auth F], D [auth G]	IPR022659	Proliferating cell nuclear antigen, PCNA, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: P18858	urinary bladder cancer adrenal cortex carcinoma medulloblastoma colorectal cancer osteosarcoma urinary bladder neoplasm malignant mesothelioma primitive neuroectodermal tumor xeroderma pigmentosum group G
B [auth E], C [auth F], D [auth G]	: P12004	psoriasis ataxia-telangiectasia-like disorder 2 hepatoblastoma adenocarcinoma malignant colon neoplasm granular cell carcinoma Radiation Injuries, Experimental tubular adenocarcinoma focal segmental glomerulosclerosis endometriosis pancreatic intraductal papillary-mucinous neoplasm glioblastoma primitive neuroectodermal tumor pustulosis palmaris et plantaris Sjogren syndrome psoriasis ataxia-telangiectasia-like disorder 2 hepatoblastoma adenocarcinoma malignant colon neoplasm granular cell carcinoma Radiation Injuries, Experimental tubular adenocarcinoma focal segmental glomerulosclerosis endometriosis pancreatic intraductal papillary-mucinous neoplasm glioblastoma primitive neuroectodermal tumor pustulosis palmaris et plantaris Sjogren syndrome large cell medulloblastoma lung cancer astrocytic tumor nasopharyngeal carcinoma neurodegenerative disease colonic neoplasm ovarian cancer dermatomyositis pituitary cancer IgA glomerulonephritis ischemic disease lung adenocarcinoma ataxia-telangiectasia-like disorder malignant glioma atypical teratoid rhabdoid tumor medulloblastoma brain cancer breast cancer non-small cell lung carcinoma cribriform carcinoma pancreatic intraductal papillary-mucinous carcinoma ductal breast carcinoma in situ invasive ductal breast carcinoma juvenile dermatomyositis lung benign neoplasm lymphoplasmacytic lymphoma ataxia-telangiectasia-like disorder 1 benign colon neoplasm myopathy breast carcinoma oligodendroglioma cribriform carcinoma of breast

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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.