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) | AP4A hydrolase | polymer | 134 | 15785.4 | 4 | UniProt (O66548) Pfam (PF00293) | Aquifex aeolicus | |
| 2 | E, F, G, I, J... (A, B, C, D) | CHLORIDE ION | non-polymer | 35.5 | 11 | Chemie (CL) | |||
| 3 | AA, BA, H, K, L... (D, A, B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 11 | Chemie (EDO) | |||
| 4 | CA, DA, EA, O (D, B) | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 4 | Chemie (PEG) | |||
| 5 | R (C) | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 1 | Chemie (TRS) | |||
| 6 | FA, GA (D) | TRIETHYLENE GLYCOL | non-polymer | 150.2 | 2 | Chemie (PGE) | |||
| 7 | HA (D) | TETRAETHYLENE GLYCOL | non-polymer | 194.2 | 1 | Chemie (PG4) | |||
| 8 | IA, JA, KA, LA (A, B, C, D) | water | water | 18.0 | 558 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 63141.8 | |
| Non-Polymers* | Number of molecules | 30 |
| Total formula weight | 2113.9 | |
| All* | Total formula weight | 65255.7 |
