1GI3
A NOVEL SERINE PROTEASE INHIBITION MOTIF INVOLVING A MULTI-CENTERED SHORT HYDROGEN BONDING NETWORK AT THE ACTIVE SITE
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | BETA-TRYPSIN | polymer | 223 | 23324.3 | 1 | UniProt (P00760) Pfam (PF00089) | Bos taurus (cattle) | |
| 2 | B (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 3 | C (A) | 2-(2-HYDROXY-PHENYL)-1H-BENZOIMIDAZOLE-5-CARBOXAMIDINE | non-polymer | 253.3 | 1 | Chemie (BMZ) | |||
| 4 | D (A) | water | water | 18.0 | 265 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 23324.3 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 293.4 | |
| All* | Total formula weight | 23617.6 |
