4HBC | pdb_00004hbc

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth L]	d4hbcl1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	rabbit (Oryctolagus cuniculus ) [TaxId: 9986 ],	SCOPe (2.08)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth L]	TetR_N	e4hbcL1	A: a/b three-layered sandwiches	X: Globin-like	H: Nucleoside diphosphate kinases	T: Nucleoside diphosphate kinases	F: TetR_N	ECOD (v294.1)
A [auth H]	TetR_N	e4hbcH1	A: a/b three-layered sandwiches	X: Globin-like	H: Nucleoside diphosphate kinases	T: Nucleoside diphosphate kinases	F: TetR_N	ECOD (v294.1)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
B [auth L]	ANTIGEN BINDING FRAGMENT, IMMUNOGLOBULIN IGG	L-KAPPA	Oryctolagus cuniculus (rabbit)	IGKV1S302, IGKJ1-202, IGKJ1-201, IGKC102	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	(L-KAPPA_VH-CH1)	IMGT (202611-0)
A [auth H]	ANTIGEN BINDING FRAGMENT, IMMUNOGLOBULIN IGG	VH-CH1	Oryctolagus cuniculus (rabbit)	IGHV1S6901, IGHJ301, IGHJ201, IGHJ401, IGHJ202, IGHG01, IGHG05, IGHG02	V-DOMAIN VH, C-DOMAIN CH1	IG	(L-KAPPA_VH-CH1)	IMGT (202611-0)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth L]	Light Chain	IGKV1	Kappa	-	SAbDab (2026-03-27)
A [auth H]	Heavy Chain	IGHV1	-	-	SAbDab (2026-03-27)

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.

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