1JSC
Crystal Structure of the Catalytic Subunit of Yeast Acetohydroxyacid Synthase: A target for Herbicidal Inhibitors
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | APS BEAMLINE 14-BM-C |
| Synchrotron site | APS |
| Beamline | 14-BM-C |
| Temperature [K] | 100 |
| Detector technology | CCD |
| Collection date | 2000-12-17 |
| Detector | ADSC QUANTUM 4 |
| Wavelength(s) | 1.00 |
| Spacegroup name | P 21 21 21 |
| Unit cell lengths | 95.552, 109.401, 178.858 |
| Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
| Resolution | 50.000 * - 2.600 |
| R-factor | 0.188 * |
| Rwork | 0.188 |
| R-free | 0.21900 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1bfd |
| RMSD bond length | 0.006 |
| RMSD bond angle | 22.450 * |
| Data reduction software | DENZO |
| Data scaling software | SCALEPACK |
| Phasing software | AMoRE |
| Refinement software | CNS |
Data quality characteristics
| Overall | Outer shell | |
| Low resolution limit [Å] | 50.000 | 2.690 |
| High resolution limit [Å] | 2.600 | 2.600 |
| Rmerge | 0.058 | 0.301 |
| Total number of observations | 214515 * | |
| Number of reflections | 57490 * | 5733 * |
| <I/σ(I)> | 17.1 | 3.9 |
| Completeness [%] | 97.8 | 99.2 |
| Redundancy | 3.7 | 3.6 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.8 | 293 * | Pang, S.S., (2001) Acta Crystallogr, D57, 1321. * |
Crystallization Reagents in Literatures
| ID | crystal ID | solution | reagent name | concentration (unit) | details |
| 1 | 1 | drop | ThDP | 1 (mM) | |
| 2 | 1 | drop | 1 (mM) | ||
| 3 | 1 | drop | FAD | 1 (mM) | |
| 4 | 1 | drop | dithiothreitol | 5 (mM) | |
| 5 | 1 | reservoir | PEG4000 | 14 (%) | |
| 6 | 1 | reservoir | potassium phosphate | 0.25-0.3 (M) | pH5.8 |
| 7 | 1 | reservoir | ammonium acetate | 0.2 (M) |
