2NZE
Structure of beta-lactamase II from Bacillus cereus. R121H, C221S double mutant. Space group P3121.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Beta-lactamase II | polymer | 222 | 24387.8 | 2 | UniProt (P04190) Pfam (PF00753) In PDB | Bacillus cereus | Penicillinase, Cephalosporinase |
| 2 | A, B | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 3 | A, B | SULFATE ION | non-polymer | 96.1 | 6 | Chemie (SO4) | |||
| 4 | A, B | ACETIC ACID | non-polymer | 60.1 | 8 | Chemie (ACY) | |||
| 5 | A, B | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
| 6 | water | water | 18.0 | 365 | Chemie (HOH) |
Sequence modifications
A, B: 6 - 227 (UniProt: P04190)
| PDB | External Database | Details |
|---|---|---|
| His 91 | Arg 121 | engineered mutation |
| Ser 168 | Cys 198 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 48775.6 | |
| Non-Polymers* | Number of molecules | 19 |
| Total formula weight | 1463.9 | |
| All* | Total formula weight | 50239.5 |
