2FYQ
Crystal Structure of the Norwalk Virus Protease
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Chymotrypsin-like cysteine proteinase | polymer | 194 | 20786.7 | 1 | UniProt (Q83883) | Norwalk virus | |
| 2 | B, D (A) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 3 | C (A) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 4 | E (A) | water | water | 18.0 | 293 | Chemie (HOH) |
Sequence modifications
A: 1 - 181 (UniProt: Q83883)
| PDB | External Database | Details |
|---|---|---|
| Met -12 | - | initiating methionine |
| Ala -11 | - | cloning artifact |
| His -10 | - | expression tag |
| His -9 | - | expression tag |
| His -8 | - | expression tag |
| His -7 | - | expression tag |
| His -6 | - | expression tag |
| His -5 | - | expression tag |
| Asp -4 | - | cloning artifact |
| Asp -3 | - | cloning artifact |
| Asp -2 | - | cloning artifact |
| Asp -1 | - | cloning artifact |
| Lys 0 | - | cloning artifact |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 20786.7 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 165.9 | |
| All* | Total formula weight | 20952.6 |
