3FZW
Crystal Structure of Ketosteroid Isomerase D40N-D103N from Pseudomonas putida (pKSI) with bound equilenin
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 | 14546.5 | 2 | UniProt (P07445) Pfam (PF12680) | Pseudomonas putida | Delta(5)-3-ketosteroid isomerase |
| 2 | C, G (A, B) | EQUILENIN | non-polymer | 266.3 | 2 | Chemie (EQU) | |||
| 3 | D, E (A) | GLYCEROL | non-polymer | 92.1 | 2 | Chemie (GOL) | |||
| 4 | F (A) | ISOPROPYL ALCOHOL | non-polymer | 60.1 | 1 | Chemie (IPA) | |||
| 5 | H, I (A, B) | water | water | 18.0 | 239 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 131 (UniProt: P07445)
| PDB | External Database | Details |
|---|---|---|
| Asn 40 | Asp 40 | engineered mutation |
| Asn 103 | Asp 103 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 29093.1 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 777.0 | |
| All* | Total formula weight | 29870.0 |






