Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
DBcl-2e6u3zD1 A: alpha bundlesX: P-loop domains-likeH: DUF1107-likeT: DUF1107-likeF: Bcl-2ECOD (develop294)
BBcl-2e6u3zB1 A: alpha bundlesX: P-loop domains-likeH: DUF1107-likeT: DUF1107-likeF: Bcl-2ECOD (develop294)
CBcl-2e6u3zC1 A: alpha bundlesX: P-loop domains-likeH: DUF1107-likeT: DUF1107-likeF: Bcl-2ECOD (develop294)
ABcl-2e6u3zA1 A: alpha bundlesX: P-loop domains-likeH: DUF1107-likeT: DUF1107-likeF: Bcl-2ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
C2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
A2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
B, D
Fab VD20_5A4 L-KAPPA Homo sapiens (human) IGKV1-6*01, IGKV1-6*02, IGKJ2*03, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202610-0)
A, C
Fab VD20_5A4 VH-CH1 Homo sapiens (human) IGHV4-59*01, IGHV4-59*08, IGHV4-4*08, IGHV4-59*11, IGHV4-59*13, IGHJ5*01, IGHJ5*02, IGHG1*03, IGHG1*08, IGHG1*06 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B, D
Light ChainIGKV1 Kappa-SAbDab (2026-03-20)
A, C
Heavy ChainIGHV4 --SAbDab (2026-03-20)