8CWI
Fab arm of antibody 10G4 bound to CoV-2 receptor binding domain (RBD)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords | 
| 1 | A (A)  | Spike protein S1 | polymer | 204 | 22975.7 | 1 | UniProt (P0DTC2) Pfam (PF09408)  | Severe acute respiratory syndrome coronavirus 2 | |
| 2 | B (H)  | Heavy chain of Fab arm of antibody 10G4 | polymer | 228 | 24475.3 | 1 | Homo sapiens (Human) | ||
| 3 | C (L)  | Light chain of Fab arm of antibody 10G4 | polymer | 215 | 23591.2 | 1 | Homo sapiens (Human) | ||
| 4 | D (B)  | alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 1057.0 | 1 | In PDB GlyTouCan (G82348BZ)  | |||
| 5 | E (C)  | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 570.5 | 1 | In PDB GlyTouCan (G21290RB)  | |||
| 6 | F, I (A, L)  | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 7 | G, H, J (H, L)  | CHLORIDE ION | non-polymer | 35.5 | 3 | Chemie (CL) | |||
| 8 | K, L, M (A, H, L)  | water | water | 18.0 | 667 | Chemie (HOH) | 
Sequence modifications
A: 333 - 528 (UniProt: P0DTC2)
| PDB | External Database | Details | 
|---|---|---|
| Gly 529 | - | expression tag | 
| Ser 530 | - | expression tag | 
| His 531 | - | expression tag | 
| His 532 | - | expression tag | 
| His 533 | - | expression tag | 
| His 534 | - | expression tag | 
| His 535 | - | expression tag | 
| His 536 | - | expression tag | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 | 
| Total formula weight | 71042.2 | |
| Branched | Number of molecules | 2 | 
| Total formula weight | 1627.5 | |
| Non-Polymers* | Number of molecules | 5 | 
| Total formula weight | 155.0 | |
| All* | Total formula weight | 72824.7 | 






