1DBI
CRYSTAL STRUCTURE OF A THERMOSTABLE SERINE PROTEASE
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | AK.1 SERINE PROTEASE | polymer | 280 | 29789.4 | 1 | UniProt (Q45670) Pfam (PF00082) | Bacillus sp. AK1 | |
| 2 | B, D, E (A) | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) | |||
| 3 | C (A) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 4 | F (A) | water | water | 18.0 | 246 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 29789.4 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 143.2 | |
| All* | Total formula weight | 29932.6 |
