Annotations: 4G5Z

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth L]	Prenyltransf	e4g5zL1	A: alpha arrays	X: GIY-YIG endonuclease	H: GIY-YIG endonuclease	T: GIY-YIG endonuclease	F: Prenyltransf	ECOD (v295.2)
A [auth H]	Prenyltransf	e4g5zH1	A: alpha arrays	X: GIY-YIG endonuclease	H: GIY-YIG endonuclease	T: GIY-YIG endonuclease	F: Prenyltransf	ECOD (v295.2)

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]	INN name	L-KAPPA	Homo sapiens (human)	IGKV6-2101, IGKV6D-2101, IGKV6D-2102, IGKJ301, IGKC*01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202633-0)
A [auth H]	INN name	VH-CH1	Homo sapiens (human)	IGHV3-3301, IGHV3-3304, IGHJ401, IGHJ402, IGHJ403, IGHG103	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202633-0)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth L]	Light Chain	IGKV1	Kappa	-	SAbDab (2026-08-28)
A [auth H]	Heavy Chain	IGHV3	-	-	SAbDab (2026-08-28)

Chain	Name	Target	Provenance Source
B [auth L]	Canakinumab	IL1B	Therapeutic SAbDab (2026-08-28)
A [auth H]	Canakinumab	IL1B	Therapeutic SAbDab (2026-08-28)

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.

4G5Z | pdb_00004g5z