The structure of the humanised A33 Fab C226S variant, an immunotherapy candidate for colorectal cancer


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
DLHCe7nfaD1 A: beta barrelsX: Nuclear receptor ligand-binding domainH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: LHCECOD (v294.2)
B [auth C]LHCe7nfaC1 A: beta barrelsX: Nuclear receptor ligand-binding domainH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: LHCECOD (v294.2)
C [auth B]LHCe7nfaB1 A: beta barrelsX: Nuclear receptor ligand-binding domainH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: LHCECOD (v294.2)
ALHCe7nfaA1 A: beta barrelsX: Nuclear receptor ligand-binding domainH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: LHCECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
B [auth C]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
C [auth B]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
A2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth C],
D
Heavy ChainIGHV3 --SAbDab (2026-05-08)
A,
C [auth B]
Light ChainIGKV1 Kappa-SAbDab (2026-05-08)