Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | Beta-lactamase | polymer | 265 | 28921.7 | 4 | UniProt (Q3SAW3) Pfam (PF00144) Pfam (PF13354) | Pseudomonas aeruginosa | |
| 2 | E, F, M, N (A, D) | CHLORIDE ION | non-polymer | 35.5 | 4 | Chemie (CL) | |||
| 3 | G, J (A, B) | TRIETHYLENE GLYCOL | non-polymer | 150.2 | 2 | Chemie (PGE) | |||
| 4 | H, K, L (A, B, C) | CITRIC ACID | non-polymer | 192.1 | 3 | Chemie (CIT) | |||
| 5 | I (A) | (4R)-2-METHYLPENTANE-2,4-DIOL | non-polymer | 118.2 | 1 | Chemie (MRD) | |||
| 6 | O (D) | ISOPROPYL ALCOHOL | non-polymer | 60.1 | 1 | Chemie (IPA) | |||
| 7 | P, Q, R, S (A, B, C, D) | water | water | 18.0 | 944 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 115686.8 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 1196.8 | |
| All* | Total formula weight | 116883.6 |






