The structure of the humanised A33 Fab C226S variant, an immunotherapy candidate for colorectal cancer
External Resource: Annotation
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| D | LHC | e7nfaD1 | A: beta barrels | X: Nuclear receptor ligand-binding domain | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: LHC | ECOD (v294.2) |
| B [auth C] | LHC | e7nfaC1 | A: beta barrels | X: Nuclear receptor ligand-binding domain | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: LHC | ECOD (v294.2) |
| A | LHC | e7nfaA1 | A: beta barrels | X: Nuclear receptor ligand-binding domain | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: LHC | ECOD (v294.2) |
| C [auth B] | LHC | e7nfaB1 | A: beta barrels | X: Nuclear receptor ligand-binding domain | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: LHC | ECOD (v294.2) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| D | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B [auth C] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| A | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| C [auth B] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| B [auth C], D | Heavy Chain | IGHV3 | - | - | SAbDab (2026-05-08) |
| A, C [auth B] | Light Chain | IGKV1 | Kappa | - | SAbDab (2026-05-08) |














