Crystal structure of 6B9 FAB
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
| Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| B [auth H] | d4hxbh_ | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | V set domains (antibody variable domain-like) | automated matches | (Mus musculus ) [TaxId: 10090 ], | SCOPe (2.08) |
| A [auth L] | d4hxbl1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | V set domains (antibody variable domain-like) | automated matches | (Mus musculus ) [TaxId: 10090 ], | SCOPe (2.08) |
| A [auth L] | d4hxbl2 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | C1 set domains (antibody constant domain-like) | automated matches | (Mus musculus ) [TaxId: 10090 ], | SCOPe (2.08) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| B [auth H] | V-set | e4hxbH1 | A: alpha bundles | X: immunoglobulin/albumin-binding domain-like | H: EGF-related | T: Complement control module/SCR domain | F: V-set | ECOD (develop294) |
| A [auth L] | V-set | e4hxbL1 | A: alpha bundles | X: immunoglobulin/albumin-binding domain-like | H: EGF-related | T: Complement control module/SCR domain | F: V-set | ECOD (develop294) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| B [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| A [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
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 H] | 6B9 FAB | VH-CH1 | Mus musculus (house mouse) | IGHV9-3*02, IGHJ2*01, IGHG2A*01, IGHG2A*02 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-2A_KAPPA | IMGT (202610-0) |
| A [auth L] | 6B9 FAB | L-KAPPA | Mus musculus (house mouse) | IGKV1-117*01, IGKJ1*01, IGKJ1*02, IGKJ2*01, IGKC*01, IGKC*02 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-2A_KAPPA | IMGT (202610-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| B [auth H] | Heavy Chain | IGHV9 | - | - | SAbDab (2026-03-20) |
| A [auth L] | Light Chain | IGKV1 | Kappa | - | SAbDab (2026-03-20) |














