1TPA
THE GEOMETRY OF THE REACTIVE SITE AND OF THE PEPTIDE GROUPS IN TRYPSIN, TRYPSINOGEN AND ITS COMPLEXES WITH INHIBITORS
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | E | ANHYDRO-TRYPSIN | polymer | 223 | 23324.3 | 1 | UniProt (P00760) Pfam (PF00089) In PDB | Bos taurus (cattle) | |
| 2 | I | BOVINE PANCREATIC TRYPSIN INHIBITOR | polymer | 58 | 6527.6 | 1 | UniProt (P00974) Pfam (PF00014) In PDB | ||
| 3 | E | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 4 | water | water | 18.0 | 159 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 29851.9 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 40.1 | |
| All* | Total formula weight | 29891.9 |
