Annotations: 3SM2

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Acid proteases	8072251	3001059	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Acid proteases	8072251	3001059	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)
B	PNP_UDP_1	e3sm2B1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: PNP_UDP_1	ECOD (v294.1)
A	PNP_UDP_1	e3sm2A1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: PNP_UDP_1	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.40.70.10	Mainly Beta	Beta Barrel	Cathepsin D, subunit A	domain 1	CATH (4.3.0)
A	2.40.70.10	Mainly Beta	Beta Barrel	Cathepsin D, subunit A	domain 1	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	gag-pro-pol polyprotein	RNA binding binding nucleic acid binding 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 aspartic-type peptidase activity peptidase activity RNA binding binding nucleic acid binding 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 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 structural constituent of virion structural molecule activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host gene expression biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction virion assembly viral process viral life cycle symbiont entry into host cell symbiont entry into host establishment of integrated proviral latency symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host gene expression biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction virion assembly viral process viral life cycle symbiont entry into host cell symbiont entry into host establishment of integrated proviral latency viral latency establishment of viral latency 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	host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part host intracellular membrane-bounded organelle host intracellular part host multivesicular body host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell late endosome host cell endosome host cell plasma membrane host cellular component cellular anatomical structure host cell part host cell membrane other organism part host intracellular membrane-bounded organelle host intracellular part host multivesicular body host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell late endosome host cell endosome host intracellular region host cell late endosome membrane host cell endosome membrane viral nucleocapsid viral capsid virion component

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
A, B	IPR040643	Murine leukemia virus integrase, C-terminal	Domain
A, B	IPR043128	Reverse transcriptase/Diguanylate cyclase domain	Homologous Superfamily
A, B	IPR001995	Peptidase A2A, retrovirus, catalytic	Domain
A, B	IPR001878	Zinc finger, CCHC-type	Domain
A, B	IPR008919	Retrovirus capsid, N-terminal	Homologous Superfamily
A, B	IPR010999	Retroviral matrix protein	Homologous Superfamily
A, B	IPR021109	Aspartic peptidase domain superfamily	Homologous Superfamily
A, B	IPR002079	Gag polyprotein, inner coat protein p12	Domain
A, B	IPR001969	Aspartic peptidase, active site	Active Site
A, B	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
A, B	IPR018061	Retropepsins	Domain
A, B	IPR050462	Retroviral Gag-Pol polyproteins	Family
A, B	IPR002156	Ribonuclease H domain	Domain
A, B	IPR036875	Zinc finger, CCHC-type superfamily	Homologous Superfamily
A, B	IPR000840	Gamma-retroviral matrix protein	Domain
A, B	IPR001584	Integrase, catalytic core	Domain
A, B	IPR041577	Reverse transcriptase/retrotransposon-derived protein, RNase H-like domain	Domain
A, B	IPR043502	DNA/RNA polymerase superfamily	Homologous Superfamily
A, B	IPR000477	Reverse transcriptase domain	Domain
A, B	IPR036946	Gamma-retroviral matrix domain superfamily	Homologous Superfamily
A, B	IPR039464	Gag-Pol polyprotein, Zinc-finger like domain	Domain
A, B	IPR003036	Core shell protein Gag P30	Domain