Crystal structure of Ab25 Fab
External Resource: Annotation
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| B [auth L] | e8c67L01 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: | ECOD (v294.1) | |
| A [auth H] | e8c67H01 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: | ECOD (v294.1) |
IMGT Antibody Annotation IMGT Database Homepage
| Chain | Protein Name | Description | Organism Name | Gene Allele Name(s) | Domain Name(s) | Receptor Type | Receptor Description | Provenance Source |
|---|---|---|---|---|---|---|---|---|
| B [auth L], D [auth B], F [auth D], H [auth F] | Fab 25, anti-streptococcal and anti-SARS-CoV-2 | L-KAPPA | Homo sapiens (human) | IGKV1-5*01, IGKJ1*01, IGKJ3*01, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202611-0) |
| A [auth H], C [auth A], E [auth C], G [auth E] | Fab 25, anti-streptococcal and anti-SARS-CoV-2 | 1C-1C-LIKE-CH2-CH3 | Homo sapiens (human) | IGHV3-30*01, IGHV3-30*04, IGHV3-30*07, IGHV3-30*11, IGHV3-30*14, IGHV3-30*16, IGHV3-30*17, IGHV3-30-3*01, IGHV3-30-3*03, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05, IGHG1*12, IGHG1*14, IGHG1*13, IGHG1*09, IGHG1*10, IGHG1*07, IGHG1*11, IGHG1*15, IGHG1*16 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202611-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| B [auth L], D [auth B], F [auth D], H [auth F] | Light Chain | IGKV1 | Kappa | - | SAbDab (2026-03-27) |
| A [auth H], C [auth A], E [auth C], G [auth E] | Heavy Chain | IGHV3 | - | - | SAbDab (2026-03-27) |
