Annotations: 3W5O

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	DNA_ligase_A_C	e3w5oA14	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: DNA_ligase_A_C	ECOD (1.6)
A	DNA_ligase_A_N	e3w5oA4	A: alpha bundles	X: ATP-dependent DNA ligase DNA-binding domain (From Topology)	H: ATP-dependent DNA ligase DNA-binding domain (From Topology)	T: ATP-dependent DNA ligase DNA-binding domain	F: DNA_ligase_A_N	ECOD (1.6)
A	DNA_ligase_A_M	e3w5oA1	A: a+b complex topology	X: Protein kinase/SAICAR synthase/ATP-grasp (From Homology)	H: Protein kinase/SAICAR synthase/ATP-grasp	T: ATP-grasp	F: DNA_ligase_A_M	ECOD (1.6)
B	DNA_ligase_A_C	e3w5oB14	A: beta barrels	X: OB-fold	H: Nucleic acid-binding proteins (From Topology)	T: Nucleic acid-binding proteins	F: DNA_ligase_A_C	ECOD (1.6)
B	DNA_ligase_A_N	e3w5oB4	A: alpha bundles	X: ATP-dependent DNA ligase DNA-binding domain (From Topology)	H: ATP-dependent DNA ligase DNA-binding domain (From Topology)	T: ATP-dependent DNA ligase DNA-binding domain	F: DNA_ligase_A_N	ECOD (1.6)
B	DNA_ligase_A_M	e3w5oB1	A: a+b complex topology	X: Protein kinase/SAICAR synthase/ATP-grasp (From Homology)	H: Protein kinase/SAICAR synthase/ATP-grasp	T: ATP-grasp	F: DNA_ligase_A_M	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.3260.10	Mainly Alpha	Orthogonal Bundle	DNA ligase i, domain 1	DNA ligase, ATP-dependent, N-terminal domain	CATH (4.3.0)
A	3.30.470.30	Alpha Beta	2-Layer Sandwich	D-amino Acid Aminotransferase	Chain A, domain 1	CATH (4.3.0)
A	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)
B	1.10.3260.10	Mainly Alpha	Orthogonal Bundle	DNA ligase i, domain 1	DNA ligase, ATP-dependent, N-terminal domain	CATH (4.3.0)
B	3.30.470.30	Alpha Beta	2-Layer Sandwich	D-amino Acid Aminotransferase	Chain A, domain 1	CATH (4.3.0)
B	2.40.50.140	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)	Nucleic acid-binding proteins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF04675	DNA ligase N terminus (DNA_ligase_A_N)	DNA ligase N terminus	-	Family
A, B	PF01068	ATP dependent DNA ligase domain (DNA_ligase_A_M)	ATP dependent DNA ligase domain	This domain belongs to a more diverse superfamily, including Pfam:PF01331 and Pfam:PF01653 [3].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	DNA ligase 4	ligase activity, forming phosphoric ester bonds DNA ligase (ATP) activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid catalytic activity DNA ligase activity ligase 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 DNA ligase (ATP) activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid catalytic activity DNA ligase activity ligase activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound 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 magnesium ion binding metal ion binding	cellular response to stimulus cellular response to inorganic substance cellular response to metal ion cellular response to lithium ion response to stimulus response to inorganic substance cellular response to chemical stimulus response to lithium ion response to metal ion response to chemical cellular process developmental process multicellular organism development multicellular organismal process cellular response to stimulus cellular response to inorganic substance cellular response to metal ion cellular response to lithium ion response to stimulus response to inorganic substance cellular response to chemical stimulus response to lithium ion response to metal ion response to chemical cellular process developmental process multicellular organism development multicellular organismal process central nervous system development anatomical structure development nervous system development system development cell division response to X-ray response to ionizing radiation response to radiation response to abiotic stimulus cell population proliferation cellular response to ionizing radiation cellular response to radiation cellular response to abiotic stimulus cellular response to environmental stimulus embryo development ending in birth or egg hatching chordate embryonic development embryo development in utero embryonic development DNA recombination primary metabolic process DNA metabolic process nucleic acid metabolic process DNA ligation nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process DNA ligation involved in DNA recombination metabolic process macromolecule metabolic process cellular developmental process hemopoiesis cell activation cell development mononuclear cell differentiation lymphocyte activation lymphocyte differentiation leukocyte activation T cell differentiation in thymus T cell activation immune system process cell differentiation T cell differentiation leukocyte differentiation cellular biosynthetic process cellular metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid biosynthetic process biosynthetic process organic cyclic compound biosynthetic process organic substance biosynthetic process DNA biosynthetic process stem cell proliferation fibroblast proliferation somatic stem cell population maintenance maintenance of cell number stem cell population maintenance positive regulation of nervous system development regulation of cellular process regulation of developmental process positive regulation of biological process regulation of cell differentiation regulation of neurogenesis regulation of cell development regulation of nervous system development positive regulation of developmental process neurogenesis positive regulation of cell differentiation positive regulation of neurogenesis regulation of multicellular organismal process positive regulation of cellular process regulation of multicellular organismal development regulation of biological process biological regulation positive regulation of cell development positive regulation of multicellular organismal process adaptive immune response based on somatic recombination of immune receptors built from immunoglobulin superfamily domains lymphocyte mediated immunity B cell activation involved in immune response cell activation involved in immune response leukocyte mediated immunity somatic diversification of immune receptors somatic recombination of immunoglobulin genes involved in immune response immune response immune effector process somatic diversification of immunoglobulins B cell mediated immunity isotype switching immune system development immunoglobulin production immunoglobulin production involved in immunoglobulin-mediated immune response somatic cell DNA recombination somatic diversification of immunoglobulins involved in immune response somatic recombination of immunoglobulin gene segments leukocyte activation involved in immune response lymphocyte activation involved in immune response production of molecular mediator of immune response B cell activation gene expression immunoglobulin mediated immune response adaptive immune response somatic diversification of immune receptors via germline recombination within a single locus V(D)J recombination T cell receptor V(D)J recombination somatic diversification of T cell receptor genes somatic recombination of T cell receptor gene segments pro-B cell differentiation lymphoid progenitor cell differentiation hematopoietic progenitor cell differentiation double-strand break repair via classical nonhomologous end joining double-strand break repair double-strand break repair via nonhomologous end joining cellular response to stress DNA damage response response to stress DNA repair cellular component organization organelle organization chromosome organization cellular component organization or biogenesis positive regulation of cell population proliferation regulation of fibroblast proliferation regulation of cell population proliferation positive regulation of fibroblast proliferation establishment of integrated proviral latency viral latency viral process establishment of viral latency DNA ligation involved in DNA repair neuron apoptotic process negative regulation of neuron apoptotic process negative regulation of programmed cell death regulation of apoptotic process negative regulation of biological process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process apoptotic process programmed cell death regulation of neuron apoptotic process cell cycle single strand break repair DN2 thymocyte differentiation nucleotide-excision repair, DNA gap filling nucleotide-excision repair response to gamma radiation immunoglobulin V(D)J recombination positive regulation of organelle organization regulation of cellular component organization positive regulation of cellular component organization regulation of chromosome organization regulation of organelle organization positive regulation of chromosome organization	membrane-bounded organelle protein-containing complex nonhomologous end joining complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle organelle intracellular protein-containing complex DNA ligase IV complex DNA repair complex membrane-bounded organelle protein-containing complex nonhomologous end joining complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle organelle intracellular protein-containing complex DNA ligase IV complex DNA repair complex intracellular non-membrane-bounded organelle chromosome chromosome, telomeric region chromosomal region non-membrane-bounded organelle condensed chromosome membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen DNA-dependent protein kinase-DNA ligase 4 complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR029710	DNA ligase 4	Family
A, B	IPR012310	DNA ligase, ATP-dependent, central	Domain
A, B	IPR012308	DNA ligase, ATP-dependent, N-terminal	Domain
A, B	IPR044125	DNA Ligase 4, adenylation domain	Domain
A, B	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
A, B	IPR021536	DNA ligase IV domain	Domain
A, B	IPR036599	DNA ligase, ATP-dependent, N-terminal domain superfamily	Homologous Superfamily
A, B	IPR001357	BRCT domain	Domain
A, B	IPR036420	BRCT domain superfamily	Homologous Superfamily
A, B	IPR016059	DNA ligase, ATP-dependent, conserved site	Conserved Site
A, B	IPR000977	DNA ligase, ATP-dependent	Family
A, B	IPR012309	DNA ligase, ATP-dependent, C-terminal	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P49917	DNA ligase IV deficiency plasma cell myeloma Omenn syndrome Dubowitz syndrome progressive supranuclear palsy Alzheimer disease hematopoietic and lymphoid system neoplasm leukemia pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia plasma cell neoplasm severe combined immunodeficiency due to DCLRE1C deficiency atypical teratoid rhabdoid tumor Gaucher disease intellectual disability microcephaly DNA ligase IV deficiency plasma cell myeloma Omenn syndrome Dubowitz syndrome progressive supranuclear palsy Alzheimer disease hematopoietic and lymphoid system neoplasm leukemia pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia plasma cell neoplasm severe combined immunodeficiency due to DCLRE1C deficiency atypical teratoid rhabdoid tumor Gaucher disease intellectual disability microcephaly osteosarcoma Pick disease Primary microcephaly glioblastoma large cell medulloblastoma myeloid neoplasm pancreatic intraductal papillary-mucinous neoplasm

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.