7BB2
Crystal structure of the main protease (3CLpro/Mpro) of SARS-CoV-2 at 1.6A resolution (spacegroup P2(1)2(1)2(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, E, F, G... (A, B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 14 | Chemie (EDO) | |||
3 | L (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
4 | R (B) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
5 | S, T (A, B) | water | water | 18.0 | 588 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 67651.1 | |
Non-Polymers* | Number of molecules | 16 |
Total formula weight | 927.4 | |
All* | Total formula weight | 68578.5 |