2D3C
Crystal Structure of the Maize Glutamine Synthetase complexed with ADP and Phosphinothricin Phosphate
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.8 | 298 | 9% PEG8000, 5% MPD, 100MM Tris-HCl, 10MM MnCl2, 1MM ATP, 1MM phosphinothricin, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.7 | 53.4 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 95.958 | α = 90 |
b = 191.012 | β = 101.23 |
c = 118.124 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 | IMAGE PLATE | RIGAKU RAXIS VII | 2004-12-05 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU FR-E | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 3.8 | 50 | 82.5 | 0.145 | 5.8 | 2.8 | 34283 | 44.1 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
3.8 | 3.94 | 77.1 | 0.355 | 1.8 | 2.4 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MIR | THROUGHOUT | 3.81 | 27.36 | 32165 | 1718 | 83.05 | 0.18694 | 0.18464 | 0.22943 | RANDOM | 68.616 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.04 | 0.04 | -0.02 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.34 |
r_dihedral_angle_3_deg | 19.296 |
r_dihedral_angle_4_deg | 18.386 |
r_dihedral_angle_1_deg | 6.406 |
r_scangle_it | 2.701 |
r_angle_refined_deg | 1.763 |
r_scbond_it | 1.647 |
r_mcangle_it | 1.248 |
r_mcbond_it | 0.746 |
r_symmetry_vdw_refined | 0.496 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 27450 |
Nucleic Acid Atoms | |
Solvent Atoms | 238 |
Heterogen Atoms | 450 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |
SOLVE | phasing |