4G6J | pdb_00004g6j

Crystal structure of human IL-1beta in complex with the therapeutic antibody binding fragment of canakinumab


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyCytokine 8043267 3000648 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ASmpA_OmlAe4g6jA1 A: a/b three-layered sandwichesX: beta-GraspH: HTHT: winged helix domainF: SmpA_OmlAECOD (v294.1)
B [auth H]V-sete4g6jH1 A: a/b three-layered sandwichesX: beta-GraspH: HTHT: winged helix domainF: V-setECOD (v294.1)
C [auth L]Rrf2e4g6jL1 A: a/b three-layered sandwichesX: beta-GraspH: HTHT: winged helix domainF: Rrf2ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A2.80.10.50 Mainly Beta Trefoil Trefoil (Acidic Fibroblast Growth Factor, subunit A) CATH (4.3.0)
B [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
C [auth L]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
B [auth H]INN name VH-CH1 Homo sapiens (human) IGHV3-33*01, IGHV3-33*04, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202613-0)
C [auth L]INN name L-KAPPA Homo sapiens (human) IGKV6-21*01, IGKV6D-21*01, IGKV6D-21*02, IGKJ3*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202613-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth H]Heavy ChainIGHV3 -interleukin-1 betaSAbDab (2026-04-10)
C [auth L]Light ChainIGKV1 Kappainterleukin-1 betaSAbDab (2026-04-10)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

ChainNameTargetProvenance Source
B [auth H] Canakinumab IL1BTherapeutic SAbDab (2026-04-10)
C [auth L] Canakinumab IL1BTherapeutic SAbDab (2026-04-10)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00340Interleukin-1 / 18 (IL1)Interleukin-1 / 18This family includes interleukin-1 and interleukin-18. Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Interleukin-1 beta
B [auth H]heavy chain of antibody binding fragment of canakinumab---
C [auth L]light chain of antibody binding fragment of canakinumab---

InterPro: Protein Family Classification InterPro Database Homepage

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
PharosP01584