5IMS
Saccharomyces cerevisiae acetohydroxyacid synthase
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | AUSTRALIAN SYNCHROTRON BEAMLINE MX1 |
Synchrotron site | Australian Synchrotron |
Beamline | MX1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2014-03-20 |
Detector | ADSC QUANTUM 210r |
Wavelength(s) | 0.9537 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 95.683, 110.180, 180.005 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 42.176 - 1.984 |
R-factor | 0.166 |
Rwork | 0.166 |
R-free | 0.19250 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1jsc |
RMSD bond length | 0.016 |
RMSD bond angle | 1.485 |
Data reduction software | XDS |
Data scaling software | XDS |
Phasing software | PHENIX |
Refinement software | PHENIX (1.9_1692) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 47.840 | 2.300 |
High resolution limit [Å] | 1.980 | 2.000 |
Rmerge | 0.075 | 0.645 |
Number of reflections | 130638 | |
<I/σ(I)> | 11 | 2.1 |
Completeness [%] | 99.3 | 96 |
Redundancy | 5.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.8 | 273 | 34 mg/ml enzyme incubated with 1.4 mM ThDP, 0.5 mM FAD, 14 mM MgCl2, and 4.5 mM DTT. Crystals were obtained my mixing equal volumes (1 ul) of well solution (14 % PEG 4000, 0.25-0.3 M potassium phosphate, 0.2 M ammonium acetate.) and enzyme solution |