Annotations: 2A3V

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E [auth A]	PF00589	e2a3vA3	A: alpha arrays	X: HTH	H: HTH	T: DNA breaking-rejoining enzymes	F: PF00589	ECOD (1.6)
E [auth A]	PF13495	e2a3vA1	A: alpha arrays	X: lambda integrase-N-like	H: lambda integrase-N (From Topology)	T: lambda integrase-N	F: PF13495	ECOD (1.6)
F [auth B]	PF00589	e2a3vB2	A: alpha arrays	X: HTH	H: HTH	T: DNA breaking-rejoining enzymes	F: PF00589	ECOD (1.6)
F [auth B]	PF13495	e2a3vB3	A: alpha arrays	X: lambda integrase-N-like	H: lambda integrase-N (From Topology)	T: lambda integrase-N	F: PF13495	ECOD (1.6)
G [auth C]	PF00589	e2a3vC2	A: alpha arrays	X: HTH	H: HTH	T: DNA breaking-rejoining enzymes	F: PF00589	ECOD (1.6)
G [auth C]	PF13495	e2a3vC3	A: alpha arrays	X: lambda integrase-N-like	H: lambda integrase-N (From Topology)	T: lambda integrase-N	F: PF13495	ECOD (1.6)
H [auth D]	PF00589	e2a3vD2	A: alpha arrays	X: HTH	H: HTH	T: DNA breaking-rejoining enzymes	F: PF00589	ECOD (1.6)
H [auth D]	PF13495	e2a3vD3	A: alpha arrays	X: lambda integrase-N-like	H: lambda integrase-N (From Topology)	T: lambda integrase-N	F: PF13495	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
E [auth A]	1.10.150.130	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)
E [auth A]	1.10.443.10	Mainly Alpha	Orthogonal Bundle	hpI Integrase	Chain A	CATH (4.3.0)
F [auth B]	1.10.150.130	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)
F [auth B]	1.10.443.10	Mainly Alpha	Orthogonal Bundle	hpI Integrase	Chain A	CATH (4.3.0)
G [auth C]	1.10.150.130	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)
G [auth C]	1.10.443.10	Mainly Alpha	Orthogonal Bundle	hpI Integrase	Chain A	CATH (4.3.0)
H [auth D]	1.10.150.130	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)
H [auth D]	1.10.443.10	Mainly Alpha	Orthogonal Bundle	hpI Integrase	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
E [auth A], F [auth B], G [auth C], H [auth D]	PF00589	Phage integrase family (Phage_integrase)	Phage integrase family	-	Family
E [auth A], F [auth B], G [auth C], H [auth D]	PF13495	Phage integrase, N-terminal SAM-like domain (Phage_int_SAM_4)	Phage integrase, N-terminal SAM-like domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth E], C [auth G]	DNA (31-MER)	-	-	-
B [auth F], D [auth H]	DNA (34-MER)	-	-	-
E [auth A], F [auth B], G [auth C], H [auth D]	site-specific recombinase IntI4	DNA binding binding organic cyclic compound binding nucleic acid binding	nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process DNA integration nucleic acid metabolic process DNA recombination	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E [auth A], F [auth B], G [auth C], H [auth D]	IPR011010	DNA breaking-rejoining enzyme, catalytic core	Homologous Superfamily
E [auth A], F [auth B], G [auth C], H [auth D]	IPR010998	Integrase/recombinase, N-terminal	Homologous Superfamily
E [auth A], F [auth B], G [auth C], H [auth D]	IPR044068	Core-binding (CB) domain	Domain
E [auth A], F [auth B], G [auth C], H [auth D]	IPR002104	Integrase, catalytic domain	Domain
E [auth A], F [auth B], G [auth C], H [auth D]	IPR011946	Integrase, integron-type	Family
E [auth A], F [auth B], G [auth C], H [auth D]	IPR004107	Integrase, SAM-like, N-terminal	Domain
E [auth A], F [auth B], G [auth C], H [auth D]	IPR013762	Integrase-like, catalytic domain superfamily	Homologous Superfamily

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 R01GM133198.