Annotations: 2KOD

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2koda_	All alpha proteins	Acyl carrier protein-like	Retrovirus capsid dimerization domain-like	Retrovirus capsid protein C-terminal domain	automated matches	HIV-1 (HIV-1 M:B_HXB2R ) [TaxId: 11706 ],	SCOPe (2.08)
B	d2kodb_	All alpha proteins	Acyl carrier protein-like	Retrovirus capsid dimerization domain-like	Retrovirus capsid protein C-terminal domain	automated matches	HIV-1 (HIV-1 M:B_HXB2R ) [TaxId: 11706 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Retrovirus capsid protein C-terminal domain	8077061	4000865	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Retrovirus capsid dimerization domain-like	8077062	3001819	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Retrovirus capsid dimerization domain-like	8077062	3001819	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	Gag_p24_C	e2kodA1	A: alpha bundles	X: Retrovirus capsid protein	H: Retrovirus capsid protein-C (From Topology)	T: Retrovirus capsid protein-C	F: Gag_p24_C	ECOD (1.6)
B	Gag_p24_C	e2kodB1	A: alpha bundles	X: Retrovirus capsid protein	H: Retrovirus capsid protein-C (From Topology)	T: Retrovirus capsid protein-C	F: Gag_p24_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.1200.30	Mainly Alpha	Orthogonal Bundle	Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein	Chain A	CATH (4.3.0)
B	1.10.1200.30	Mainly Alpha	Orthogonal Bundle	Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF19317	Gag protein p24 C-terminal domain (Gag_p24_C)	Gag protein p24 C-terminal domain	p24 forms inner protein layer of the nucleocapsid. ELISA tests for p24 is the most commonly used method to demonstrate virus replication both in vivo and in vitro.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	HIV-1 CA C-terminal domain	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 exonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters nuclease activity hydrolase activity, acting on ester bonds exoribonuclease H activity exonuclease activity catalytic activity catalytic activity, acting on DNA DNA-directed 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 exonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters nuclease activity hydrolase activity, acting on ester bonds 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 organic cyclic compound binding nucleic acid binding RNA-directed DNA polymerase activity identical protein binding protein binding peptidase activity catalytic activity, acting on a protein RNA binding integrase activity aspartic-type peptidase activity aspartic-type endopeptidase activity endopeptidase activity lipid binding endonuclease activity RNA endonuclease activity, producing 5'-phosphomonoesters RNA-DNA hybrid ribonuclease activity RNA endonuclease activity endonuclease activity, active with either ribo- or deoxyribonucleic acids and producing 5'-phosphomonoesters structural molecule activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	viral process viral life cycle viral genome integration into host DNA viral penetration into host nucleus intracellular transport of virus transport of virus biological process involved in interspecies interaction between organisms symbiont entry into host cell symbiont entry into host 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 process viral life cycle viral genome integration into host DNA viral penetration into host nucleus intracellular transport of virus transport of virus biological process involved in interspecies interaction between organisms symbiont entry into host cell symbiont entry into host biological process involved in interaction with host biological process involved in symbiotic interaction establishment of integrated proviral latency viral latency establishment of viral latency organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process biosynthetic process proteolysis organic substance biosynthetic process protein processing nitrogen compound metabolic process metabolic process cellular process protein metabolic process macromolecule metabolic process DNA recombination cellular nitrogen compound metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process heterocycle metabolic process cellular aromatic compound metabolic process symbiont-mediated perturbation of host cellular process symbiont-mediated suppression of host gene expression modulation by symbiont of host process symbiont-mediated perturbation of host gene expression modulation of process of another organism	membrane cellular anatomical entity host intracellular membrane-bounded organelle host cellular component host intracellular part host multivesicular body host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell part host cell late endosome host cell endosome host intracellular region viral nucleocapsid membrane cellular anatomical entity host intracellular membrane-bounded organelle host cellular component host intracellular part host multivesicular body host cell cytoplasm part host intracellular organelle host cell cytoplasm host cell part host cell late endosome host cell endosome host intracellular region viral nucleocapsid viral capsid virion component host cell plasma membrane host cell membrane virion membrane host cell nucleus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036397	Ribonuclease H superfamily	Homologous Superfamily
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	IPR012344	Matrix protein, lentiviral and alpha-retroviral, N-terminal	Homologous Superfamily
A, B	IPR036862	Integrase, C-terminal domain superfamily, retroviral	Homologous Superfamily
A, B	IPR018061	Retropepsins	Domain
A, B	IPR010661	Reverse transcriptase thumb	Domain
A, B	IPR002156	Ribonuclease H domain	Domain
A, B	IPR036875	Zinc finger, CCHC-type superfamily	Homologous Superfamily
A, B	IPR003308	Integrase, N-terminal zinc-binding domain	Domain
A, B	IPR001584	Integrase, catalytic core	Domain
A, B	IPR045345	Retroviral nucleocapsid Gag protein p24, C-terminal domain	Domain
A, B	IPR010999	Retroviral matrix protein	Homologous Superfamily
A, B	IPR021109	Aspartic peptidase domain superfamily	Homologous Superfamily
A, B	IPR001969	Aspartic peptidase, active site	Active Site
A, B	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
A, B	IPR017856	Integrase-like, N-terminal	Homologous Superfamily
A, B	IPR000071	Immunodeficiency lentiviral matrix, N-terminal	Domain
A, B	IPR043502	DNA/RNA polymerase superfamily	Homologous Superfamily
A, B	IPR001037	Integrase, C-terminal, retroviral	Domain
A, B	IPR034170	Retropepsin-like catalytic domain	Domain
A, B	IPR000477	Reverse transcriptase domain	Domain
A, B	IPR010659	Reverse transcriptase connection	Domain
A, B	IPR008916	Retrovirus capsid, C-terminal	Homologous Superfamily