Annotations: 4ICA

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Amidase	e4icaB1	A: alpha arrays	X: gp11/gp12 receptor-binding domain	H: gp11/gp12 receptor-binding domain	T: gp11/gp12 receptor-binding domain	F: Amidase	ECOD (v295.2)
A	Amidase	e4icaA1	A: alpha arrays	X: gp11/gp12 receptor-binding domain	H: gp11/gp12 receptor-binding domain	T: gp11/gp12 receptor-binding domain	F: Amidase	ECOD (v295.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.150.90	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)
A	1.10.150.90	Mainly Alpha	Orthogonal Bundle	DNA polymerase	domain 1	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Matrix protein p15	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	virion assembly viral process viral budding viral budding via host ESCRT complex viral life cycle	viral nucleocapsid viral capsid virion component

Chains	Accession	Name	Type
A, B	IPR045345	Retroviral nucleocapsid Gag protein p24, C-terminal domain	Domain
A, B	IPR001878	Zinc finger, CCHC-type	Domain
A, B	IPR036875	Zinc finger, CCHC-type superfamily	Homologous Superfamily
A, B	IPR008919	Retrovirus capsid, N-terminal	Homologous Superfamily
A, B	IPR012344	Matrix protein, lentiviral and alpha-retroviral, N-terminal	Homologous Superfamily
A, B	IPR050195	Primate lentivirus group Gag polyprotein-like	Domain
A, B	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

4ICA | pdb_00004ica