Annotations: 3TIR

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	NTP_transf_2	e3tirA1	A: a/b three-layered sandwiches	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: NTP_transf_2	ECOD (v294.1)
A	Sigma70_r2,Sigma70_ner	e3tirA2	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: SAM/DNA-glycosylase	T: SAM domain-like	F: Sigma70_r2,Sigma70_ner	ECOD (v294.1)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Rous Sarcoma Virus Capsid Protein p27	catalytic activity, acting on DNA DNA-directed DNA polymerase activity DNA polymerase activity catalytic activity, acting on a nucleic acid transferase activity nucleotidyltransferase activity catalytic 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 catalytic activity, acting on DNA DNA-directed DNA polymerase activity DNA polymerase activity catalytic activity, acting on a nucleic acid transferase activity nucleotidyltransferase activity catalytic 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 hydrolase activity aspartic-type endopeptidase activity endopeptidase activity endonuclease activity RNA endonuclease activity producing 5'-phosphomonoesters, hydrolytic mechanism catalytic activity, acting on RNA RNA-DNA hybrid ribonuclease activity RNA nuclease activity hydrolase activity, acting on ester bonds nuclease activity RNA endonuclease activity RNA-directed DNA polymerase activity RNA binding RNA stem-loop binding 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 DNA integration proteolysis protein metabolic process	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	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	IPR010999	Retroviral matrix protein	Homologous Superfamily
A	IPR012344	Matrix protein, lentiviral and alpha-retroviral, 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	IPR004028	Retroviral Gag polyprotein, M	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	IPR034170	Retropepsin-like catalytic domain	Domain
A	IPR000477	Reverse transcriptase domain	Domain
A	IPR008916	Retrovirus capsid, C-terminal	Homologous Superfamily