Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | PROTEIN (BETA-LACTAMASE) | polymer | 227 | 24995.5 | 1 | UniProt (P04190) Pfam (PF00753) | Bacillus cereus | CLASS B BETA-LACTAMASE |
| 2 | B, D (A) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 3 | C (A) | BICARBONATE ION | non-polymer | 61.0 | 1 | Chemie (BCT) | |||
| 4 | E (A) | water | water | 18.0 | 205 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 24995.5 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 191.8 | |
| All* | Total formula weight | 25187.4 |
