2OQL
Structure of Phosphotriesterase mutant H254Q/H257F
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Parathion hydrolase | polymer | 331 | 35959.0 | 2 | UniProt (P0A434) Pfam (PF02126) | Brevundimonas diminuta | Phosphotriesterase, PTE |
| 2 | C, D, G, H (A, B) | ZINC ION | non-polymer | 65.4 | 4 | Chemie (ZN) | Phosphotriesterase, PTE | ||
| 3 | E, I (A, B) | 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 209.2 | 2 | Chemie (BTB) | |||
| 4 | F, J, K (A, B) | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
| 5 | L, M (A, B) | water | water | 18.0 | 682 | Chemie (HOH) |
Sequence modifications
A, B: 35 - 365 (UniProt: P0A434)
| PDB | External Database | Details |
|---|---|---|
| Gln 254 | His 254 | engineered mutation |
| Phe 257 | His 257 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 71917.9 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 956.4 | |
| All* | Total formula weight | 72874.3 |
