Annotations: 6HU4

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A [auth B]	d6hu4b_	All alpha proteins	Hepatitis B viral capsid (hbcag)	Hepatitis B viral capsid (hbcag)	Hepatitis B viral capsid (hbcag)	automated matches	(Hepatitis B virus ) [TaxId: 10407 ],	SCOPe (2.08)
B [auth A]	d6hu4a_	All alpha proteins	Hepatitis B viral capsid (hbcag)	Hepatitis B viral capsid (hbcag)	Hepatitis B viral capsid (hbcag)	automated matches	(Hepatitis B virus ) [TaxId: 10407 ],	SCOPe (2.08)
C	d6hu4c_	All alpha proteins	Hepatitis B viral capsid (hbcag)	Hepatitis B viral capsid (hbcag)	Hepatitis B viral capsid (hbcag)	automated matches	(Hepatitis B virus ) [TaxId: 10407 ],	SCOPe (2.08)
D	d6hu4d_	All alpha proteins	Hepatitis B viral capsid (hbcag)	Hepatitis B viral capsid (hbcag)	Hepatitis B viral capsid (hbcag)	automated matches	(Hepatitis B virus ) [TaxId: 10407 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth B]	SCOP2B Superfamily	Hepatitis B viral capsid (hbcag)	8086389	3000581	SCOP2B (2022-06-29)
B [auth A]	SCOP2B Superfamily	Hepatitis B viral capsid (hbcag)	8086389	3000581	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Hepatitis B viral capsid (hbcag)	8086389	3000581	SCOP2B (2022-06-29)
D	SCOP2 Family	Hepatitis B viral capsid (hbcag)	8086388	4001050	SCOP2 (2022-06-29)
D	SCOP2 Superfamily	Hepatitis B viral capsid (hbcag)	8086389	3000581	SCOP2 (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 [auth B]	Hepatitis_core	e6hu4B1	A: alpha arrays	X: Hepatitis B viral capsid (hbcag) (From Topology)	H: Hepatitis B viral capsid (hbcag) (From Topology)	T: Hepatitis B viral capsid (hbcag)	F: Hepatitis_core	ECOD (1.6)
B [auth A]	Hepatitis_core	e6hu4A1	A: alpha arrays	X: Hepatitis B viral capsid (hbcag) (From Topology)	H: Hepatitis B viral capsid (hbcag) (From Topology)	T: Hepatitis B viral capsid (hbcag)	F: Hepatitis_core	ECOD (1.6)
C	Hepatitis_core	e6hu4C1	A: alpha arrays	X: Hepatitis B viral capsid (hbcag) (From Topology)	H: Hepatitis B viral capsid (hbcag) (From Topology)	T: Hepatitis B viral capsid (hbcag)	F: Hepatitis_core	ECOD (1.6)
D	Hepatitis_core	e6hu4D1	A: alpha arrays	X: Hepatitis B viral capsid (hbcag) (From Topology)	H: Hepatitis B viral capsid (hbcag) (From Topology)	T: Hepatitis B viral capsid (hbcag)	F: Hepatitis_core	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth B]	1.10.4090.10	Mainly Alpha	Orthogonal Bundle	Hepatitis B viral capsid (hbcag) fold	Viral capsid, core domain supefamily, Hepatitis B virus	CATH (4.3.0)
B [auth A]	1.10.4090.10	Mainly Alpha	Orthogonal Bundle	Hepatitis B viral capsid (hbcag) fold	Viral capsid, core domain supefamily, Hepatitis B virus	CATH (4.3.0)
C	1.10.4090.10	Mainly Alpha	Orthogonal Bundle	Hepatitis B viral capsid (hbcag) fold	Viral capsid, core domain supefamily, Hepatitis B virus	CATH (4.3.0)
D	1.10.4090.10	Mainly Alpha	Orthogonal Bundle	Hepatitis B viral capsid (hbcag) fold	Viral capsid, core domain supefamily, Hepatitis B virus	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], B [auth A], C, D, E, A [auth B], B [auth A], C, D, E, F, G, H	PF00906	Hepatitis core antigen (Hepatitis_core)	Hepatitis core antigen	The core antigen of hepatitis viruses possesses a carboxyl terminus rich in arginine. On this basis it was predicted that the core antigen would bind DNA [1]. There is some experimental evidence to support this [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth A], C, D, E, A [auth B], B [auth A], C, D, E, F, G, H	Capsid protein	DNA binding binding organic cyclic compound binding nucleic acid binding structural molecule activity RNA binding	microtubule-dependent intracellular transport of viral material microtubule-dependent intracellular transport of viral material towards nucleus intracellular transport of virus viral process viral life cycle transport of virus transport of viral material towards nucleus viral penetration into host nucleus biological process involved in interspecies interaction between organisms symbiont entry into host cell symbiont entry into host biological process involved in interaction with host biological process involved in symbiotic interaction	host cellular component host cell cellular anatomical entity viral capsid icosahedral viral capsid T=4 icosahedral viral capsid virion component host intracellular part host cell cytoplasm host cell part host intracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth A], C, D, E, A [auth B], B [auth A], C, D, E, F, G, H	IPR036459	Viral capsid core domain supefamily, Hepatitis B virus	Homologous Superfamily
A [auth B], B [auth A], C, D, E, A [auth B], B [auth A], C, D, E, F, G, H	IPR002006	Hepatitis core antigen	Family

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.