1GI0
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) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 4 | D, E, F (A) | SULFATE ION | non-polymer | 96.1 | 3 | Chemie (SO4) | |||
| 5 | G (A) | 2-(2-HYDROXY-PHENYL)-1H-BENZOIMIDAZOLE-5-CARBOXAMIDINE | non-polymer | 253.3 | 1 | Chemie (BMZ) | |||
| 6 | H (A) | water | water | 18.0 | 263 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 23324.3 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 605.9 | |
| All* | Total formula weight | 23930.1 |
