Annotations: 3G21

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3g21a_	All alpha proteins	Acyl carrier protein-like	Retrovirus capsid dimerization domain-like	Retrovirus capsid protein C-terminal domain	automated matches	RSV-PrC (Rous sarcoma virus - Prague C ) [TaxId: 11888 ],	SCOPe (2.08)

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	e3g21A1	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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Gag polyprotein	binding organic cyclic compound binding nucleic acid binding aspartic-type peptidase activity peptidase activity catalytic activity, acting on a protein hydrolase activity aspartic-type endopeptidase activity catalytic activity endopeptidase activity structural constituent of virion structural molecule activity cation binding transition metal ion binding binding organic cyclic compound binding nucleic acid binding aspartic-type peptidase activity peptidase activity catalytic activity, acting on a protein hydrolase activity aspartic-type endopeptidase activity catalytic activity endopeptidase 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	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 viral gene expression viral translational frameshifting viral translation 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 viral gene expression viral translational frameshifting viral translation 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 nucleolus host cell nuclear part host intracellular organelle membrane viral capsid virion component host cell plasma membrane 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 nucleolus host cell nuclear part host intracellular organelle membrane viral capsid virion component host cell plasma membrane host cell membrane host cell nucleoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR050195	Primate lentivirus group Gag polyprotein-like	Domain
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	IPR018061	Retropepsins	Domain
A	IPR004028	Retroviral Gag polyprotein, M	Domain
A	IPR036875	Zinc finger, CCHC-type superfamily	Homologous Superfamily
A	IPR034170	Retropepsin-like catalytic domain	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 R01GM157729.