1G7V
CRYSTAL STRUCTURES OF KDO8P SYNTHASE IN ITS BINARY COMPLEXES WITH THE MECHANISM-BASED INHIBITOR
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.1 | 298 | MES or MOPS 61mM pH 6.1, 25% v/v Glycerol, 20mg/mL protein in tris buffer, 30 microgram/mL inhibitor, 10% v/v PEG 400, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.19 | 43.94 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 117.6 | α = 90 |
b = 117.6 | β = 90 |
c = 117.6 | γ = 90 |
Symmetry | |
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Space Group | I 2 3 |
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 | 90 | IMAGE PLATE | RIGAKU RAXIS IV | 1997-04-19 | M | MAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X4A | 0.98104, 0.98066, 0.97719 | NSLS | X4A |
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 | 2.27 | 30 | 71 | 0.091 | 14 | 3.6 | 30388 | 26690 | 1 | 1 | 46.7 |
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) | |||||||||||
1 | 2.3 | 2.4 | 47.4 | 0.143 | 2.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | Number Reflections (All) | 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 | MOLECULAR REPLACEMENT | 2.4 | 8 | 3 | 3 | 7501 | 7041 | 360 | 0.225 | 0.221 | 0.242 | Random |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 25.5 |
x_angle_deg | 2.4 |
x_improper_angle_d | 2.2 |
x_bond_d | 0.017 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2164 |
Nucleic Acid Atoms | |
Solvent Atoms | 21 |
Heterogen Atoms | 25 |
Software
Software | |
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Software Name | Purpose |
AMoRE | phasing |
X-PLOR | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |