3OV4
Crystal Structure of Ketosteroid Isomerase P39GV40GS42G from Pseudomonas Testosteroni (tKSI) bound to 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, C, D (A, B, C, D) | Steroid Delta-isomerase | polymer | 125 | 13299.9 | 4 | UniProt (P00947) Pfam (PF12680) | Comamonas testosteroni (Pseudomonas testosteroni) | Delta(5)-3-ketosteroid isomerase |
| 2 | E, F, G, I, J... (A, B, C, D) | SULFATE ION | non-polymer | 96.1 | 13 | Chemie (SO4) | |||
| 3 | H, M, P (A, B, C) | EQUILENIN | non-polymer | 266.3 | 3 | Chemie (EQU) | |||
| 4 | U, V, W, X (A, B, C, D) | water | water | 18.0 | 502 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 125 (UniProt: P00947)
| PDB | External Database | Details |
|---|---|---|
| Gly 39 | Pro 39 | engineered mutation |
| Gly 40 | Val 40 | engineered mutation |
| Gly 42 | Ser 42 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 53199.7 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 2047.8 | |
| All* | Total formula weight | 55247.6 |
