Annotations: 1AIH

CATALYTIC DOMAIN OF BACTERIOPHAGE HP1 INTEGRASE

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1aiha_	Alpha and beta proteins (a+b)	DNA breaking-rejoining enzymes	DNA breaking-rejoining enzymes	Lambda integrase-like, catalytic core	Integrase	(Hpunavirus HP1 ) [TaxId: 10690 ],	SCOPe (2.08)
C	d1aihc_	Alpha and beta proteins (a+b)	DNA breaking-rejoining enzymes	DNA breaking-rejoining enzymes	Lambda integrase-like, catalytic core	Integrase	(Hpunavirus HP1 ) [TaxId: 10690 ],	SCOPe (2.08)
D	d1aihd_	Alpha and beta proteins (a+b)	DNA breaking-rejoining enzymes	DNA breaking-rejoining enzymes	Lambda integrase-like, catalytic core	Integrase	(Hpunavirus HP1 ) [TaxId: 10690 ],	SCOPe (2.08)
B	d1aihb_	Alpha and beta proteins (a+b)	DNA breaking-rejoining enzymes	DNA breaking-rejoining enzymes	Lambda integrase-like, catalytic core	Integrase	(Hpunavirus HP1 ) [TaxId: 10690 ],	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, catalytic core	8024570	4002347	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	DNA breaking-rejoining enzymes	8036949	3001127	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	DNA breaking-rejoining enzymes	8036949	3001127	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	DNA breaking-rejoining enzymes	8036949	3001127	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	DNA breaking-rejoining enzymes	8036949	3001127	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	Phage_integrase	e1aihA1	A: alpha arrays	X: HTH	H: HTH	T: DNA breaking-rejoining enzymes	F: Phage_integrase	ECOD (v294.2)
C	Topoisom_I,Topo_C_assoc	e1aihC1	A: beta barrels	X: ETN0001 domain-like	H: YozE-like	T: Ribbon-helix-helix	F: Topoisom_I,Topo_C_assoc	ECOD (v294.2)
D	Topoisom_I,Topo_C_assoc	e1aihD1	A: beta barrels	X: ETN0001 domain-like	H: YozE-like	T: Ribbon-helix-helix	F: Topoisom_I,Topo_C_assoc	ECOD (v294.2)
B	Topoisom_I,Topo_C_assoc	e1aihB1	A: beta barrels	X: ETN0001 domain-like	H: YozE-like	T: Ribbon-helix-helix	F: Topoisom_I,Topo_C_assoc	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.443.10	Mainly Alpha	Orthogonal Bundle	hpI Integrase	Chain A	CATH (4.3.0)
C	1.10.443.10	Mainly Alpha	Orthogonal Bundle	hpI Integrase	Chain A	CATH (4.3.0)
D	1.10.443.10	Mainly Alpha	Orthogonal Bundle	hpI Integrase	Chain A	CATH (4.3.0)
B	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, B, C, D	PF00589	Phage integrase family (Phage_integrase)	Phage integrase family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	HP1 INTEGRASE	DNA binding binding nucleic acid binding hydrolase activity catalytic activity transferase activity	biological process involved in interspecies interaction between organisms symbiont entry into host cell viral process symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction establishment of integrated proviral latency viral latency establishment of viral latency nucleobase-containing compound metabolic process metabolic process cellular process primary metabolic process biological process involved in interspecies interaction between organisms symbiont entry into host cell viral process symbiont entry into host viral life cycle biological process involved in interaction with host biological process involved in symbiotic interaction establishment of integrated proviral latency viral latency establishment of viral latency nucleobase-containing compound metabolic process metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process DNA integration nucleic acid metabolic process viral genome integration into host DNA DNA recombination	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR011010	DNA breaking-rejoining enzyme, catalytic core	Homologous Superfamily
A, B, C, D	IPR044068	Core-binding domain	Domain
A, B, C, D	IPR057084	Phage integrase BP186-like, N-terminal domain	Domain
A, B, C, D	IPR010998	Integrase/recombinase, N-terminal	Homologous Superfamily
A, B, C, D	IPR002104	Integrase, catalytic domain	Domain
A, B, C, D	IPR013762	Integrase-like, catalytic domain superfamily	Homologous Superfamily
A, B, C, D	IPR050090	Tyrosine recombinase XerC/XerD-like	Family

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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.