6XB2
Room temperature X-ray crystallography reveals catalytic cysteine in the SARS-CoV-2 3CL Mpro is highly reactive: Insights for enzyme mechanism and drug design
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 | polymer | 306 | 33825.5 | 1 | UniProt (P0DTD1) Pfam (PF05409) | Severe acute respiratory syndrome coronavirus 2 (2019-nCoV) | 3CL-PRO, 3CLp |
| 2 | B, C (A) | 1-ETHYL-PYRROLIDINE-2,5-DIONE | non-polymer | 127.1 | 2 | Chemie (NEN) | |||
| 3 | D (A) | DIMETHYL SULFOXIDE | non-polymer | 78.1 | 1 | Chemie (DMS) | |||
| 4 | E (A) | water | water | 18.0 | 47 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 33825.5 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 332.4 | |
| All* | Total formula weight | 34158.0 |
