3PEE
Structure of the C. difficile TcdB cysteine protease domain
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (B, A) | Toxin B | polymer | 254 | 28904.4 | 2 | UniProt (Q189K3) Pfam (PF11713) | Clostridium difficile | |
| 2 | C (B) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 3 | D, E (B, A) | INOSITOL HEXAKISPHOSPHATE | non-polymer | 660.0 | 2 | Chemie (IHP) | |||
| 4 | F, G (B, A) | water | water | 18.0 | 218 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 57808.8 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 1360.1 | |
| All* | Total formula weight | 59169.0 |






