3EA4
Arabidopsis thaliana acetohydroxyacid synthase in complex with monosulfuron-ester
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1YBH |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 9.4 | 291 | 0.1M CHES, 0.2M Li2SO4, 1M potassium sodium tartrate, 1mM ThDP, 1mM FAD, 1mM MgCl2, 5mM DTT, 1mM MSE , pH 9.4, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 178.468 | α = 90 |
b = 178.468 | β = 90 |
c = 184.948 | γ = 120 |
Symmetry | |
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Space Group | P 64 2 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 4 | MIRRORS | 2005-12-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 14-BM-C | 1.00 | APS | 14-BM-C |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||||
1 | 2.8 | 58.42 | 98.7 | 0.075 | 0.075 | 20.1 | 5.8 | 42923 | 42923 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.8 | 2.9 | 96.4 | 0.315 | 0.315 | 5.3 | 4060 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | THROUGHOUT | 1YBH | 2.8 | 58.42 | 40611 | 40611 | 2153 | 98.53 | 0.19969 | 0.19969 | 0.19895 | 0.21348 | RANDOM | 52.026 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.19 | 0.09 | 0.19 | -0.28 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.918 |
r_dihedral_angle_4_deg | 17.658 |
r_dihedral_angle_3_deg | 15.789 |
r_dihedral_angle_1_deg | 5.36 |
r_scangle_it | 1.492 |
r_angle_refined_deg | 1.153 |
r_scbond_it | 0.846 |
r_mcangle_it | 0.653 |
r_mcbond_it | 0.363 |
r_nbtor_refined | 0.304 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4456 |
Nucleic Acid Atoms | |
Solvent Atoms | 108 |
Heterogen Atoms | 120 |
Software
Software | |
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Software Name | Purpose |
ADSC | data collection |
CCP4 | model building |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
CCP4 | phasing |