Annotations: 6SAI

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d6saia1	All alpha proteins	Acyl carrier protein-like	Retrovirus capsid dimerization domain-like	automated matches	automated matches	(Human endogenous retrovirus K ) [TaxId: 45617 ],	SCOPe (2.08)
A	d6saia2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Human endogenous retrovirus K ) [TaxId: 45617 ],	SCOPe (2.08)
B	d6saib1	All alpha proteins	Acyl carrier protein-like	Retrovirus capsid dimerization domain-like	automated matches	automated matches	(Human endogenous retrovirus K ) [TaxId: 45617 ],	SCOPe (2.08)
B	d6saib2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Human endogenous retrovirus K ) [TaxId: 45617 ],	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	8098967	4000865	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Retrovirus capsid dimerization domain-like	8098968	3001819	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Retrovirus capsid dimerization domain-like	8098968	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	e6saiA1	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	e6saiB1	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)

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	Gag protein	binding organic cyclic compound binding nucleic acid binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	viral process	-

InterPro: Protein Family Classification InterPro Database Homepage

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	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.