4XDY
Structure of NADH-preferring ketol-acid reductoisomerase from an uncultured archean
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | SSRL BEAMLINE BL12-2 |
| Synchrotron site | SSRL |
| Beamline | BL12-2 |
| Temperature [K] | 100 |
| Detector technology | PIXEL |
| Collection date | 2013-03-30 |
| Detector | DECTRIS PILATUS 6M |
| Wavelength(s) | 0.9795 |
| Spacegroup name | P 2 21 21 |
| Unit cell lengths | 49.695, 141.748, 148.598 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 102.570 - 1.535 |
| R-factor | 0.18022 |
| Rwork | 0.179 |
| R-free | 0.20914 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 4kqx |
| RMSD bond length | 0.022 |
| RMSD bond angle | 2.038 |
| Data reduction software | XDS |
| Data scaling software | SCALA |
| Phasing software | PHASER |
| Refinement software | REFMAC (5.8.0069) |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 102.570 | 1.700 |
| High resolution limit [Å] | 1.535 | 1.535 |
| Rmerge | 0.963 | |
| Number of reflections | 157419 | |
| <I/σ(I)> | 7.2 | 1.5 |
| Completeness [%] | 99.4 | 99.8 |
| Redundancy | 4.5 | 4.5 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5 | 295 | 0.1 M bis-tris pH 5, 20% w/v polyethylene glycol 1500 |
