Crystal Structure of the Escherichia coli Glucose-Inhibited Division Protein B (GidB)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.6 | 277 | 15% PEG4000, 10% isopropanol, 0.1M sodium citrate pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.33 | 47.23 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 53.914 | α = 90 |
b = 53.914 | β = 90 |
c = 150.592 | γ = 90 |
Symmetry | |
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Space Group | P 41 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 | 150 | CCD | MARRESEARCH | Primary Aperture - 7.4 m from source. Be Windows front end - 0.020" thick, 7.1 m from source exit window - 0.010" thick. White X-Ray Beam. | 2000-10-20 | M | MAD | |||||
2 | 1 | x-ray | 150 | CCD | MARRESEARCH | Primary Aperture - 7.4 m from source. Be Windows front end - 0.020" thick, 7.1 m from source exit window: 0.010" thick. White X-Ray Beam. | 2001-03-28 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X9A | 0.97903, 0.97927 | NSLS | X9A |
2 | SYNCHROTRON | NSLS BEAMLINE X9A | 0.98399 | NSLS | X9A |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.4 | 30 | 91.8 | 0.078 | 9170 | 9170 | 27.6 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
2.4 | 2.55 | 98.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||
X-RAY DIFFRACTION | MAD | THROUGHOUT | 2.4 | 17.97 | 9170 | 9170 | 936 | 98.7 | 0.2345 | 0.24 | 0.24 | 0.24 | 0.275 | 0.28 | RANDOM | 36.1 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
1.38 | 1.38 | -2.77 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 22.4 |
c_scangle_it | 3.49 |
c_scbond_it | 2.71 |
c_mcangle_it | 2.38 |
c_mcbond_it | 1.44 |
c_angle_deg | 1.3 |
c_improper_angle_d | 0.81 |
c_bond_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1542 |
Nucleic Acid Atoms | |
Solvent Atoms | 127 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
MLPHARE | phasing |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |