Annotations: 1A0P

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1a0pa1	All alpha proteins	SAM domain-like	lambda integrase-like, N-terminal domain	lambda integrase-like, N-terminal domain	Recombinase XerD	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1a0pa2	Alpha and beta proteins (a+b)	DNA breaking-rejoining enzymes	DNA breaking-rejoining enzymes	Lambda integrase-like, catalytic core	Recombinase XerD	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	lambda integrase-like clamp domain-like	8025375	4001040	SCOP2 (2022-06-29)
A	SCOP2 Family	Lambda integrase-like catalytic core	8024580	4002347	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	lambda integrase clamp domain-like	8037754	3000550	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	DNA breaking-rejoining enzymes	8036959	3001127	SCOP2 (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	PF00589	e1a0pA2	A: alpha arrays	X: HTH	H: HTH	T: DNA breaking-rejoining enzymes	F: PF00589	ECOD (1.6)
A	PF02899	e1a0pA3	A: alpha arrays	X: lambda integrase-N-like	H: lambda integrase-N (From Topology)	T: lambda integrase-N	F: PF02899	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.150.130	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)
A	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
A	PF00589	Phage integrase family (Phage_integrase)	Phage integrase family	-	Family
A	PF02899	Phage integrase, N-terminal SAM-like domain (Phage_int_SAM_1)	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	SITE-SPECIFIC RECOMBINASE XERD	DNA binding binding organic cyclic compound binding nucleic acid binding tyrosine-based site-specific recombinase activity integrase activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid catalytic activity site-specific recombinase activity	nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process resolution of DNA recombination intermediates DNA recombination metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process transposition DNA transposition cellular process cell division nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process resolution of DNA recombination intermediates DNA recombination metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process transposition DNA transposition cellular process cell division cell cycle chromosome segregation cell cycle process response to stimulus response to radiation response to abiotic stimulus plasmid maintenance	protein-containing complex catalytic complex endodeoxyribonuclease complex Holliday junction resolvase complex intracellular protein-containing complex endonuclease complex intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR011010	DNA breaking-rejoining enzyme, catalytic core	Homologous Superfamily
A	IPR023009	Tyrosine recombinase XerC/XerD	Family
A	IPR010998	Integrase/recombinase, N-terminal	Homologous Superfamily
A	IPR011932	Tyrosine recombinase XerD	Family
A	IPR044068	Core-binding (CB) domain	Domain
A	IPR002104	Integrase, catalytic domain	Domain
A	IPR004107	Integrase, SAM-like, N-terminal	Domain
A	IPR013762	Integrase-like, catalytic domain superfamily	Homologous Superfamily

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.