Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
BSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8091539 3000071 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BIRSe2w60B1 A: a/b three-layered sandwichesX: HTHH: NudixT: NudixF: IRSECOD (v294.1)
APyr_redox_2e2w60A1 A: a/b three-layered sandwichesX: UBC-likeH: UBC-likeT: Concanavalin A-like lectins/glucanasesF: Pyr_redox_2ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A2.60.40.10 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
Anti-citrullinated collagen type II Fab ACC4 L-KAPPA Mus musculus (house mouse) IGKV1-135*01, IGKJ5*01, IGKC*01, IGKC*02 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202611-0)
Anti-citrullinated collagen type II Fab ACC4 VH-CH1 Mus musculus (house mouse) IGHV9-2-1*01, IGHJ3*01, IGHG1*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202611-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
Light ChainIGKV1 Kappa-SAbDab (2026-03-27)
Heavy ChainIGHV9 --SAbDab (2026-03-27)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domainDomain