Crystal structure of rabbit mAb R20 Fab
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
| Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| A [auth L] | d4jo4l1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | rabbit (Oryctolagus cuniculus ) [TaxId: 9986 ], | SCOPe (2.08) |
| C [auth M] | d4jo4m1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | rabbit (Oryctolagus cuniculus ) [TaxId: 9986 ], | SCOPe (2.08) |
| B [auth H] | d4jo4h_ | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | rabbit (Oryctolagus cuniculus ) [TaxId: 9986 ], | SCOPe (2.08) |
| D [auth I] | d4jo4i_ | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | automated matches | automated matches | rabbit (Oryctolagus cuniculus ) [TaxId: 9986 ], | SCOPe (2.08) |
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| A [auth L] | PAZ | e4jo4L1 | A: a/b three-layered sandwiches | X: immunoglobulin/albumin-binding domain-like | H: EGF-related | T: Complement control module/SCR domain | F: PAZ | ECOD (v294.1) |
| C [auth M] | PAZ | e4jo4M1 | A: a/b three-layered sandwiches | X: immunoglobulin/albumin-binding domain-like | H: EGF-related | T: Complement control module/SCR domain | F: PAZ | ECOD (v294.1) |
| B [auth H] | PAZ | e4jo4H1 | A: a/b three-layered sandwiches | X: immunoglobulin/albumin-binding domain-like | H: EGF-related | T: Complement control module/SCR domain | F: PAZ | ECOD (v294.1) |
| D [auth I] | PAZ | e4jo4I1 | A: a/b three-layered sandwiches | X: immunoglobulin/albumin-binding domain-like | H: EGF-related | T: Complement control module/SCR domain | F: PAZ | ECOD (v294.1) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| A [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| C [auth M] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| B [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (4.3.0) |
| D [auth I] | 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 |
|---|---|---|---|---|---|---|---|---|
| A [auth L], C [auth M] | R20 Fab, anti-gp120 [HIV-1] | L-KAPPA | Oryctolagus cuniculus (rabbit) | IGKV1S3*01, IGKV1S3*02, IGKJ1-2*02, IGKJ1-2*01, IGKC1*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202611-0) |
| B [auth H], D [auth I] | R20 Fab, anti-gp120 [HIV-1] | VH-CH1 | Oryctolagus cuniculus (rabbit) | IGHV1S40*01, IGHJ4*01, IGHG*01, IGHG*05, IGHG*02 | 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 |
|---|---|---|---|---|---|
| A [auth L], C [auth M] | Light Chain | IGKV1 | Kappa | - | SAbDab (2026-03-27) |
| B [auth H], D [auth I] | Heavy Chain | IGHV1 | - | - | SAbDab (2026-03-27) |
