3TPI
THE GEOMETRY OF THE REACTIVE SITE AND OF THE PEPTIDE GROUPS IN TRYPSIN, TRYPSINOGEN AND ITS COMPLEXES WITH INHIBITORS
Replaces: 1TPIEntity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | Z | TRYPSINOGEN | polymer | 229 | 24013.0 | 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 | Z | ISOLEUCINE | non-polymer | 131.2 | 1 | Chemie (ILE) | |||
| 4 | Z | VALINE | non-polymer | 117.1 | 1 | Chemie (VAL) | |||
| 5 | Z | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 6 | I | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 7 | water | water | 18.0 | 152 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 30540.5 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 480.5 | |
| All* | Total formula weight | 31021.0 |
