3AH3
Crystal structure of LR5-1, 3-isopropylmalate dehydrogenase created by directed evolution
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | PHOTON FACTORY BEAMLINE AR-NW12A |
| Synchrotron site | Photon Factory |
| Beamline | AR-NW12A |
| Temperature [K] | 95 |
| Detector technology | CCD |
| Collection date | 2009-12-22 |
| Detector | ADSC QUANTUM 210r |
| Wavelength(s) | 1.0 |
| Spacegroup name | P 1 2 1 |
| Unit cell lengths | 83.335, 61.737, 170.054 |
| Unit cell angles | 90.00, 98.28, 90.00 |
Refinement procedure
| Resolution | 49.780 - 2.400 |
| R-factor | 0.21849 |
| Rwork | 0.216 |
| R-free | 0.26734 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1x0l |
| RMSD bond length | 0.007 |
| RMSD bond angle | 1.062 |
| Data reduction software | HKL-2000 |
| Data scaling software | HKL-2000 |
| Phasing software | PHASER |
| Refinement software | REFMAC (5.5.0088) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 2.440 |
| High resolution limit [Å] | 2.400 | 2.400 |
| Rmerge | 0.083 | 0.346 |
| Number of reflections | 67714 | |
| <I/σ(I)> | 17 | 2.6 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 293 | 10% PEG 3350, 27% MPD, 100mM Imidazole (pH 6.5), 200mM ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
