7Z3U
Crystal structure of SARS-CoV-2 Main Protease after incubation with Sulfo-Calpeptin
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 | 33873.5 | 2 | 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 | C, D (F, G) | Calpetin | polymer | 3 | 362.5 | 2 | BIRD (PRD_002387) | synthetic construct | |
| 3 | E, F, J (A, B) | DIMETHYL SULFOXIDE | non-polymer | 78.1 | 3 | Chemie (DMS) | |||
| 4 | G, H (A) | SODIUM ION | non-polymer | 23.0 | 2 | Chemie (NA) | |||
| 5 | I, K (A, B) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 6 | L, M, N (A, B, G) | water | water | 18.0 | 433 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 68472.0 | |
| Non-Polymers* | Number of molecules | 7 |
| Total formula weight | 351.3 | |
| All* | Total formula weight | 68823.3 |
