6U4I
Crystal Structure of Ketosteroid Isomerase from Pseudomonas Putida (pKSI) bound to Equilenin at 280 K
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) | Steroid Delta-isomerase | polymer | 131 | 14548.5 | 2 | UniProt (P07445) Pfam (PF12680) | Pseudomonas putida | Delta(5)-3-ketosteroid isomerase |
| 2 | C, E (A, B) | EQUILENIN | non-polymer | 266.3 | 2 | Chemie (EQU) | |||
| 3 | D, G (A, B) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 4 | F (B) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 5 | H, I (A, B) | water | water | 18.0 | 146 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 29097.0 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 627.9 | |
| All* | Total formula weight | 29724.9 |
