7ALI
Crystal structure of the main protease (3CLpro/Mpro) of SARS-CoV-2 at 1.65A resolution (spacegroup P2(1)).
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 | polymer | 306 | 33825.5 | 2 | UniProt (P0DTD1) Pfam (PF05409)  | Severe acute respiratory syndrome coronavirus 2 (2019-nCoV SARS-CoV-2) | 3CL-PRO,3CLp,Main protease,Mpro,Non-structural protein 5,nsp5,SARS coronavirus main proteinase | 
| 2 | C, D (A, B)  | water | water | 18.0 | 490 | Chemie (HOH) | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 | 
| Total formula weight | 67651.1 | |
| All* | Total formula weight | 67651.1 | 






