3M8C
Crystal Structure of Ketosteroid Isomerase D99N from Pseudomonas Testosteroni (tKSI) with Equilenin Bound
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 | 13411.1 | 4 | UniProt (P00947) Pfam (PF12680) | Comamonas testosteroni (Pseudomonas testosteroni) | Delta(5)-3-ketosteroid isomerase |
| 2 | E, F (A) | GLYCEROL | non-polymer | 92.1 | 2 | Chemie (GOL) | |||
| 3 | G, H, I, J, K... (A, B, C, D) | SULFATE ION | non-polymer | 96.1 | 13 | Chemie (SO4) | |||
| 4 | N, R, V (B, C, D) | EQUILENIN | non-polymer | 266.3 | 3 | Chemie (EQU) | |||
| 5 | W, X, Y, Z (A, B, C, D) | water | water | 18.0 | 466 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 125 (UniProt: P00947)
| PDB | External Database | Details |
|---|---|---|
| Asn 99 | Asp 99 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 53644.5 | |
| Non-Polymers* | Number of molecules | 18 |
| Total formula weight | 2232.0 | |
| All* | Total formula weight | 55876.5 |
