3MKI
Crystal Structure of Ketosteroid Isomerase D38ED99N from Pseudomonas Testosteroni (tKSI)
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 | 13425.1 | 4 | UniProt (P00947) Pfam (PF12680) | Comamonas testosteroni (Pseudomonas testosteroni) | Delta(5)-3-ketosteroid isomerase |
| 2 | AA, BA, CA, E, F... (D, A, B, C) | SULFATE ION | non-polymer | 96.1 | 21 | Chemie (SO4) | |||
| 3 | DA, P, Q, V, W (D, B, C) | GLYCEROL | non-polymer | 92.1 | 5 | Chemie (GOL) | |||
| 4 | EA, FA, GA, HA (A, B, C, D) | water | water | 18.0 | 398 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 125 (UniProt: P00947)
| PDB | External Database | Details |
|---|---|---|
| Glu 38 | Asp 38 | engineered mutation |
| Asn 99 | Asp 99 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 53700.6 | |
| Non-Polymers* | Number of molecules | 26 |
| Total formula weight | 2477.8 | |
| All* | Total formula weight | 56178.4 |






