CRYSTAL STRUCTURE OF FAB OF NATALIZUMAB IN COMPLEX WITH FAB OF NAA84.
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| G [auth L] | e6fg2L1 | A: Ten stranded beta/alpha barrel | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: PDEase_I | F: | ECOD (20:10:01) | |
| H [auth M] | e6fg2M1 | A: Ten stranded beta/alpha barrel | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: PDEase_I | F: | ECOD (20:10:01) | |
| E [auth H] | e6fg2H1 | A: Ten stranded beta/alpha barrel | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: PDEase_I | F: | ECOD (20:10:01) | |
| F [auth I] | e6fg2I1 | A: Ten stranded beta/alpha barrel | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: PDEase_I | F: | ECOD (20:10:01) | |
| B [auth E] | e6fg2E1 | A: Ten stranded beta/alpha barrel | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: bCoV_S1_N | F: | ECOD (20:10:01) | |
| D [auth G] | e6fg2G1 | A: Ten stranded beta/alpha barrel | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: PDEase_I | F: | ECOD (20:10:01) | |
| A [auth D] | e6fg2D1 | A: Ten stranded beta/alpha barrel | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: bCoV_S1_N | F: | ECOD (20:10:01) | |
| C [auth F] | e6fg2F1 | A: Ten stranded beta/alpha barrel | X: Ten stranded beta/alpha barrel | H: Ten stranded beta/alpha barrel | T: PDEase_I | F: | ECOD (20:10:01) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| G [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| H [auth M] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| E [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| F [auth I] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B [auth E] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| D [auth G] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| A [auth D] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| C [auth F] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
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 |
|---|---|---|---|---|---|---|---|---|
| G [auth L], H [auth M] | Fab natalizumab | L-KAPPA | Homo sapiens (human) | IGKV1-33*01, IGKV1D-33*01, IGKJ1*01, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-4_KAPPA | IMGT (202609-0) |
| E [auth H], F [auth I] | Fab natalizumab | VH-CH1 | Homo sapiens (human) | IGHV1-3*01, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG4*01, IGHG4*04 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-4_KAPPA | IMGT (202609-0) |
| B [auth E], D [auth G] | Fab NAA32 | L-LAMBDA | Homo sapiens (human) | IGLV3-19*01, IGLJ2*01, IGLJ3*01, IGLC2*01, IGLC2*02, IGLC3*04 | V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA | IG | FAB-GAMMA-1_LAMBDA | IMGT (202609-0) |
| A [auth D], C [auth F] | Fab NAA32 | VH-CH1 | Homo sapiens (human) | IGHV3-21*01, IGHV3-21*02, IGHV3-21*04, IGHV3-21*03, IGHJ3*02, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05, IGHG1*12, IGHG1*14, IGHG1*13, IGHG1*09, IGHG1*10, IGHG1*07, IGHG1*11 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_LAMBDA | IMGT (202609-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| G [auth L], H [auth M] | Light Chain | IGKV19 | Kappa | - | SAbDab (2026-03-13) |
| E [auth H], F [auth I] | Heavy Chain | IGHV1 | - | - | SAbDab (2026-03-13) |
| B [auth E], D [auth G] | Light Chain | IGLV3 | Lambda | - | SAbDab (2026-03-13) |
| A [auth D], C [auth F] | Heavy Chain | IGHV3 | - | - | SAbDab (2026-03-13) |
Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage
| Chain | Name | Target | Provenance Source |
|---|---|---|---|
| G [auth L], H [auth M] | Natalizumab | ITGA4/CD49D | Therapeutic SAbDab (2026-03-13) |
| E [auth H], F [auth I] | Natalizumab | ITGA4/CD49D | Therapeutic SAbDab (2026-03-13) |














