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 |