4OKA
Structural-, Kinetic- and Docking Studies of Artificial Imine Reductases Based on the Biotin-Streptavidin Technology: An Induced Lock-and-Key Hypothesis
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Streptavidin | polymer | 159 | 16612.1 | 1 | UniProt (P22629) | Streptomyces avidinii | |
| 2 | B (A) | {N-(4-{(S)-[2-(amino-kappaN)ethyl]sulfamoyl-kappaN}phenyl)-5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanamide}chlorido[(1,2,3,4,5-eta)-pentamethylcyclopentadienyl]iridium(2+) | non-polymer | 804.5 | 1 | Chemie (4IR) | |||
| 3 | C (A) | IRIDIUM ION | non-polymer | 192.2 | 1 | Chemie (IR) | |||
| 4 | D (A) | water | water | 18.0 | 21 | Chemie (HOH) |
Sequence modifications
A: 14 - 159 (UniProt: P22629)
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | expression tag |
| Ala 2 | - | expression tag |
| Ser 3 | - | expression tag |
| Met 4 | - | expression tag |
| Thr 5 | - | expression tag |
| Gly 6 | - | expression tag |
| Gly 7 | - | expression tag |
| Gln 8 | - | expression tag |
| Gln 9 | - | expression tag |
| Met 10 | - | expression tag |
| Gly 11 | - | expression tag |
| Arg 12 | - | expression tag |
| Asp 13 | - | expression tag |
| Lys 112 | Ser 136 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 16612.1 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 996.7 | |
| All* | Total formula weight | 17608.8 |
