Annotations: 4ARD

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Med6	e4ardB1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Med6	ECOD (v295)
A	Hemagglutinin	e4ardA01	A: alpha arrays	X: Voltage-gated ion channels	H: Voltage-gated ion channels	T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	F: Hemagglutinin	ECOD (v295)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	CAPSID PROTEIN P27	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	viral gene expression viral process viral translational frameshifting viral translation virion assembly viral budding viral budding via host ESCRT complex viral life cycle	viral nucleocapsid viral capsid virion component host cellular component host intracellular part cellular anatomical structure host cell cytoplasm host cell part host intracellular region other organism part

Chains	Accession	Name	Type
A, B	IPR045345	Retroviral nucleocapsid Gag protein p24, C-terminal domain	Domain
A, B	IPR036875	Zinc finger, CCHC-type superfamily	Homologous Superfamily
A, B	IPR050195	Primate lentivirus group Gag polyprotein-like	Domain
A, B	IPR038124	Beta-retroviral matrix superfamily	Homologous Superfamily
A, B	IPR003322	Beta-retroviral matrix protein	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	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.

4ARD | pdb_00004ard