6W63
Structure of COVID-19 main protease bound to potent broad-spectrum non-covalent inhibitor X77
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | 3C-like proteinase | polymer | 306 | 33825.5 | 1 | UniProt (P0DTD1) Pfam (PF05409) In PDB | Severe acute respiratory syndrome coronavirus 2 (2019-nCoV) | 3CL-PRO, 3CLp |
| 2 | A | N-(4-tert-butylphenyl)-N-[(1R)-2-(cyclohexylamino)-2-oxo-1-(pyridin-3-yl)ethyl]-1H-imidazole-4-carboxamide | non-polymer | 459.6 | 1 | Chemie (X77) | |||
| 3 | water | water | 18.0 | 281 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 33825.5 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 459.6 | |
| All* | Total formula weight | 34285.1 |
