4TSK
Ketol-acid reductoisomerase from Alicyclobacillus acidocaldarius
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 | 2012-04-05 |
| Detector | DECTRIS PILATUS 6M |
| Wavelength(s) | 0.9795 |
| Spacegroup name | P 2 3 |
| Unit cell lengths | 124.099, 124.099, 124.099 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 124.100 - 2.500 |
| R-factor | 0.1556 |
| Rwork | 0.154 |
| R-free | 0.18220 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 4kqw |
| RMSD bond length | 0.018 |
| RMSD bond angle | 1.998 |
| Data scaling software | SCALA (3.3.21) |
| Refinement software | REFMAC (5.8.0069) |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 124.100 | 39.244 | 2.180 |
| High resolution limit [Å] | 2.070 | 6.540 | 2.070 |
| Rmerge | 0.037 | 0.936 | |
| Rmeas | 0.103 | ||
| Rpim | 0.053 | 0.022 | 0.618 |
| Total number of observations | 130927 | 4334 | 14347 |
| Number of reflections | 38239 | ||
| <I/σ(I)> | 8.9 | 27.3 | 1.1 |
| Completeness [%] | 97.7 | 96.2 | 89.1 |
| Redundancy | 3.4 | 3.4 | 2.9 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8 | 295 | 1M sodium potassium tartrate, 200mM sodium chloride, 100mM imidazole pH 8 |
