8P87
Crystal structure of the main protease (3CLpro/Mpro) of SARS-CoV-2 obtained in presence of 5 mM X77, from an "old" crystal.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | 3C-like proteinase nsp5 | polymer | 306 | 33825.5 | 2 | UniProt (P0DTD1) Pfam (PF05409) In PDB | Severe acute respiratory syndrome coronavirus 2 | 3CL-PRO,3CLp,Main protease,Mpro,Non-structural protein 5,nsp5,SARS coronavirus main proteinase |
| 2 | A, B | ACETATE ION | non-polymer | 59.0 | 2 | Chemie (ACT) | |||
| 3 | A, B | 1,2-ETHANEDIOL | non-polymer | 62.1 | 2 | Chemie (EDO) | |||
| 4 | A, B | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 5 | 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) | |||
| 6 | B | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 7 | water | water | 18.0 | 542 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 67651.1 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 795.7 | |
| All* | Total formula weight | 68446.8 |
