1ST3
THE CRYSTAL STRUCTURE OF THE BACILLUS LENTUS ALKALINE PROTEASE, SUBTILISIN BL, AT 1.4 ANGSTROMS RESOLUTION
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords | 
| 1 | A (A)  | SUBTILISIN BL | polymer | 269 | 26830.5 | 1 | UniProt (P29599) Pfam (PF00082)  | Bacillus lentus | |
| 2 | B, C (A)  | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 3 | D (A)  | water | water | 18.0 | 157 | Chemie (HOH) | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 | 
| Total formula weight | 26830.5 | |
| Non-Polymers* | Number of molecules | 2 | 
| Total formula weight | 80.2 | |
| All* | Total formula weight | 26910.7 | 






