1H73
CRYSTAL STRUCTURE OF HOMOSERINE KINASE COMPLEXED WITH THREONINE
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | ROTATING ANODE |
| Source details | RIGAKU RU300 |
| Temperature [K] | 100 |
| Detector technology | IMAGE PLATE |
| Detector | RIGAKU RAXIS IV |
| Spacegroup name | P 43 21 2 |
| Unit cell lengths | 88.642, 88.642, 99.550 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 25.000 - 2.000 |
| R-factor | 0.178 |
| Rwork | 0.178 |
| R-free | 0.22200 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1fwl |
| RMSD bond length | 0.014 |
| RMSD bond angle | 1.870 |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Refinement software | CNS (1.0) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 25.000 | |
| High resolution limit [Å] | 2.000 | |
| Rmerge | 0.043 | |
| Total number of observations | 235303 * | |
| Number of reflections | 27305 | |
| <I/σ(I)> | 45.8 | |
| Completeness [%] | 99.8 | 98.7 * |
| Redundancy | 8.6 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | Vapor diffusion, hanging drop * | 7.2 * | 100 * | PEG4000, SODIUM ACETATE, pH 8.00 |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | protease | 15 (mg/ml) | |
| 2 | 1 | drop | HEPES | 50 (mM) | |
| 3 | 1 | drop | 150 (mM) | ||
| 4 | 1 | drop | 5 (mM) | ||
| 5 | 1 | drop | dithiothreitol | 1 (mM) | |
| 6 | 1 | drop | substrate | 5 (mM) | |
| 7 | 1 | reservoir | Tris | 0.1 (M) | |
| 8 | 1 | reservoir | sodium acetate | 0.2 (M) | |
| 9 | 1 | reservoir | PEG4000 | 20-25 (%) |
