Annotations: 8ZRE

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F [auth H]	I_LWEQ	e8zreH01	A: a/b three-layered sandwiches	X: ATP-grasp_6	H: ATP-grasp_6	T: ATP-grasp_6	F: I_LWEQ	ECOD (v294.1)
E [auth L]	I_LWEQ	e8zreL01	A: a/b three-layered sandwiches	X: ATP-grasp_6	H: ATP-grasp_6	T: ATP-grasp_6	F: I_LWEQ	ECOD (v294.1)
A [auth C]	I_LWEQ	e8zreC01	A: a/b three-layered sandwiches	X: ATP-grasp_6	H: ATP-grasp_6	T: ATP-grasp_6	F: I_LWEQ	ECOD (v294.1)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
F [auth H], H [auth h]	Heavy Chain	IGHV3	-	capsid protein \| capsid protein	SAbDab (2026-04-17)
E [auth L], G [auth l]	Light Chain	IGKV2	Kappa	capsid protein \| capsid protein	SAbDab (2026-04-17)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
F [auth H], H [auth h]	Heavy chains of D4 Fab	-	-	-
E [auth L], G [auth l]	Light chains of D4 Fab	-	-	-
A [auth C], B [auth D], C [auth A], D [auth B]	Capsid protein	structural molecule activity	-	-

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