Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (AAA) | Cationic trypsin | polymer | 246 | 25806.2 | 1 | UniProt (P00760) Pfam (PF00089) | Bos taurus (cattle) | Beta-trypsin |
| 2 | B (AAA) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 3 | C, D, E, F, G... (AAA) | SULFATE ION | non-polymer | 96.1 | 6 | Chemie (SO4) | |||
| 4 | I (AAA) | BENZAMIDINE | non-polymer | 120.2 | 1 | Chemie (BEN) | |||
| 5 | J (AAA) | water | water | 18.0 | 232 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 25806.2 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 736.6 | |
| All* | Total formula weight | 26542.8 |
