Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | 3C-like proteinase nsp5 | polymer | 306 | 33825.5 | 2 | UniProt (P0DTC1) Pfam (PF05409) | Severe acute respiratory syndrome coronavirus 2 | 3CL-PRO,3CLp,Main protease,Mpro,Non-structural protein 5,nsp5,SARS coronavirus main proteinase |
| 2 | C, F (A, B) | (4~{R})-~{N}-(3,4-dipropoxyphenyl)-2-oxidanylidene-3,4-dihydro-1~{H}-quinoline-4-carboxamide | non-polymer | 382.5 | 2 | Chemie (A1JGD) | |||
| 3 | D (A) | TETRAETHYLENE GLYCOL | non-polymer | 194.2 | 1 | Chemie (PG4) | |||
| 4 | E, I, J (A, B) | BROMIDE ION | non-polymer | 79.9 | 3 | Chemie (BR) | |||
| 5 | G (B) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 6 | H (B) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 7 | K, L (A, B) | water | water | 18.0 | 591 | 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 | 1257.3 | |
| All* | Total formula weight | 68908.4 |
