Annotations: 1D1D

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1d1da1	All alpha proteins	Acyl carrier protein-like	Retrovirus capsid dimerization domain-like	Retrovirus capsid protein C-terminal domain	RSV capsid protein	(Rous sarcoma virus ) [TaxId: 11886 ],	SCOPe (2.08)
A	d1d1da2	All alpha proteins	Retrovirus capsid protein, N-terminal core domain	Retrovirus capsid protein, N-terminal core domain	Retrovirus capsid protein, N-terminal core domain	RSV capsid protein	(Rous sarcoma virus ) [TaxId: 11886 ],	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	8024806	4000865	SCOP2 (2021-05-27)
A	SCOP2 Superfamily	Retrovirus capsid dimerization domain-like	8037185	3001819	SCOP2 (2021-05-27)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF19317	e1d1dA1	A: alpha bundles	X: Retrovirus capsid protein	H: Retrovirus capsid protein-C (From Topology)	T: Retrovirus capsid protein-C	F: PF19317	ECOD (1.6)
A	PF00607	e1d1dA2	A: alpha bundles	X: Retrovirus capsid protein	H: Retrovirus capsid protein N-terminal domain (From Topology)	T: Retrovirus capsid protein N-terminal domain	F: PF00607	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.375.10	Mainly Alpha	Orthogonal Bundle	Human Immunodeficiency Virus Type 1 Capsid Protein	Human Immunodeficiency Virus Type 1 Capsid Protein	CATH (4.3.0)
A	1.10.1200.30	Mainly Alpha	Orthogonal Bundle	Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein	Chain A	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PROTEIN (CAPSID PROTEIN)	aspartic-type peptidase activity peptidase activity catalytic activity, acting on a protein hydrolase activity aspartic-type endopeptidase activity catalytic activity endopeptidase activity binding organic cyclic compound binding nucleic acid binding structural constituent of virion structural molecule activity cation binding transition metal ion binding aspartic-type peptidase activity peptidase activity catalytic activity, acting on a protein hydrolase activity aspartic-type endopeptidase activity catalytic activity endopeptidase activity binding organic cyclic compound binding nucleic acid 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	virus maturation viral life cycle viral capsid assembly viral procapsid maturation cellular component biogenesis cellular component organization virion assembly cellular component assembly viral process cellular process cellular component organization or biogenesis organonitrogen compound metabolic process proteolysis metabolic process virus maturation viral life cycle viral capsid assembly viral procapsid maturation cellular component biogenesis cellular component organization virion assembly cellular component assembly viral process cellular process cellular component organization or biogenesis organonitrogen compound metabolic process proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	host intracellular membrane-bounded organelle host cellular component host intracellular part host cell part host intracellular region cellular anatomical entity host cell nucleus host cell nucleoplasm host cell nuclear part host intracellular organelle host cell nucleolus viral capsid virion component

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR004028	Retroviral Gag polyprotein, M	Domain
A	IPR036875	Zinc finger, CCHC-type superfamily	Homologous Superfamily
A	IPR001995	Peptidase A2A, retrovirus, catalytic	Domain
A	IPR034170	Retropepsin-like catalytic domain	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	IPR018061	Retropepsins	Domain
A	IPR008916	Retrovirus capsid, C-terminal	Homologous Superfamily

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 R01GM133198.