3KKR | pdb_00003kkr

Crystal structure of catalytic core domain of BIV integrase in crystal form I

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	d3kkra1	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Ribonuclease H-like	automated matches	automated matches	BIV (Bovine immunodeficiency virus R29 ) [TaxId: 417296 ],	SCOPe (2.08)
A	d3kkra2	Artifacts	Tags	Tags	Tags	N-terminal Tags	BIV (Bovine immunodeficiency virus R29 ) [TaxId: 417296 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ribonuclease H-like	8077050	3000143	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	Lactamase_B_2	e3kkrA1	A: a/b three-layered sandwiches	X: Retrovirus capsid protein	H: Retrovirus capsid protein N-terminal domain	T: Retrovirus capsid protein N-terminal domain	F: Lactamase_B_2	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.420.10	Alpha Beta	2-Layer Sandwich	Nucleotidyltransferase	domain 5	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Integrase	catalytic activity, acting on RNA RNA exonuclease activity, producing 5'-phosphomonoesters catalytic activity, acting on a nucleic acid RNA exonuclease activity RNA nuclease activity hydrolase activity hydrolase activity, acting on ester bonds nuclease activity exoribonuclease H activity exonuclease activity catalytic activity catalytic activity, acting on DNA DNA-directed DNA polymerase activity DNA polymerase activity catalytic activity, acting on RNA RNA exonuclease activity, producing 5'-phosphomonoesters catalytic activity, acting on a nucleic acid RNA exonuclease activity RNA nuclease activity hydrolase activity hydrolase activity, acting on ester bonds nuclease activity exoribonuclease H activity exonuclease activity catalytic activity catalytic activity, acting on DNA DNA-directed DNA polymerase activity DNA polymerase activity transferase activity nucleotidyltransferase activity transferase activity, transferring phosphorus-containing groups DNA binding binding nucleic acid binding aspartic-type peptidase activity peptidase activity catalytic activity, acting on a protein aspartic-type endopeptidase activity endopeptidase activity endonuclease activity RNA endonuclease activity producing 5'-phosphomonoesters, hydrolytic mechanism RNA-DNA hybrid ribonuclease activity RNA endonuclease activity RNA-directed DNA polymerase activity RNA binding RNA stem-loop binding structural constituent of virion structural molecule activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	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 viral gene expression viral translational frameshifting viral translation viral genome integration into host DNA 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 viral gene expression viral translational frameshifting viral translation viral genome integration into host DNA nucleobase-containing compound metabolic process DNA recombination metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process microtubule-dependent intracellular transport of viral material microtubule-dependent intracellular transport of viral material towards nucleus intracellular transport of virus transport of virus transport of viral material towards nucleus DNA integration proteolysis protein metabolic process	host cellular component cellular anatomical structure host cell other organism part viral nucleocapsid viral capsid virion component

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A	IPR045345	Retroviral nucleocapsid Gag protein p24, C-terminal domain	Domain
A	IPR043128	Reverse transcriptase/Diguanylate cyclase domain	Homologous Superfamily
A	IPR001995	Peptidase A2A, retrovirus, catalytic	Domain
A	IPR001878	Zinc finger, CCHC-type	Domain
A	IPR008919	Retrovirus capsid, N-terminal	Homologous Superfamily
A	IPR021109	Aspartic peptidase domain superfamily	Homologous Superfamily
A	IPR001969	Aspartic peptidase, active site	Active Site
A	IPR036862	Integrase, C-terminal domain superfamily, retroviral	Homologous Superfamily
A	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
A	IPR018061	Retropepsins	Domain
A	IPR017856	Integrase-like, N-terminal	Homologous Superfamily
A	IPR010661	Reverse transcriptase thumb	Domain
A	IPR002156	Ribonuclease H domain	Domain
A	IPR036875	Zinc finger, CCHC-type superfamily	Homologous Superfamily
A	IPR003308	Integrase, N-terminal zinc-binding domain	Domain
A	IPR001584	Integrase, catalytic core	Domain
A	IPR043502	DNA/RNA polymerase superfamily	Homologous Superfamily
A	IPR001037	Integrase, C-terminal, retroviral	Domain
A	IPR000477	Reverse transcriptase domain	Domain
A	IPR008916	Retrovirus capsid, C-terminal	Homologous Superfamily