Structure of SARS-CoV-2 antibody S309 with GX/P2V/2017 RBD
Domain Annotation: ECOD Classification ECOD Database Homepage
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
|---|---|---|---|---|---|---|---|---|
| A [auth H] | V-set_8 | e7xswH2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
| A [auth H] | C1-set_1 | e7xswH1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
| D [auth A] | V-set_8 | e7xswA1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
| D [auth A] | C1-set_1 | e7xswA2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
| B [auth L] | C1-set_4 | e7xswL2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_4 | ECOD (1.6) |
| B [auth L] | V-set | e7xswL1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
| E [auth B] | C1-set_4 | e7xswB2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_4 | ECOD (1.6) |
| E [auth B] | V-set | e7xswB1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
| C [auth R] | Spike_rec_bind | e7xswR1 | A: a+b three layers | X: Coronavirus spike protein receptor-binding domain (From Homology) | H: Coronavirus spike protein receptor-binding domain | T: Beta-coronavirus spike protein receptor-binding domain | F: Spike_rec_bind | ECOD (1.6) |
| F [auth C] | Spike_rec_bind | e7xswC1 | A: a+b three layers | X: Coronavirus spike protein receptor-binding domain (From Homology) | H: Coronavirus spike protein receptor-binding domain | T: Beta-coronavirus spike protein receptor-binding domain | F: Spike_rec_bind | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
| Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
|---|---|---|---|---|---|---|
| A [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| D [auth A] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| B [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
| E [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 |
|---|---|---|---|---|---|
| A [auth H], D [auth A] | Heavy Chain | IGHV1 | - | spike protein s1 | SAbDab (2025-11-28) |
| B [auth L], E [auth B] | Light Chain | IGKV3 | Kappa | spike protein s1 | SAbDab (2025-11-28) |
Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage
| Chain | Name | Target | Provenance Source |
|---|---|---|---|
| A [auth H], D [auth A] | Sotrovimab | SARS-CoV-2 Spike RBD | Therapeutic SAbDab (2025-11-28) |
| B [auth L], E [auth B] | Beludavimab | SARS-CoV-2 Spike RBD | Therapeutic SAbDab (2025-11-28) |














