Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | 3C-like proteinase nsp5 | polymer | 306 | 33825.5 | 1 | UniProt (P0DTD1) Pfam (PF05409) | Severe acute respiratory syndrome coronavirus 2 | 3CL-PRO,3CLp,Main protease,Mpro,Non-structural protein 5,nsp5,SARS coronavirus main proteinase |
| 2 | B (A) | 4'-fluoro-N-[(2S)-1-({(2R)-1-imino-3-[(3S)-2-oxopyrrolidin-3-yl]propan-2-yl}amino)-4-methyl-1-oxopentan-2-yl][1,1'-biphenyl]-4-carboxamide | non-polymer | 466.5 | 1 | Chemie (A1ALL) | |||
| 3 | C (A) | water | water | 18.0 | 162 | 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 | 466.5 | |
| All* | Total formula weight | 34292.1 |
