2HQB
Crystal Structure of a Transcriptional Activator of comK gene from Bacillus halodurans
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 298 | 0.1M Tris, pH 8.5, 2.2M ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.32 | 71.56 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 90.117 | α = 90 |
b = 90.117 | β = 90 |
c = 242.826 | γ = 120 |
Symmetry | |
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Space Group | P 65 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 315 | mirrors | 2005-04-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.2 | 0.97964 | ALS | 5.0.2 |
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 | 2.7 | 42.2 | 94.5 | 0.082 | 0.082 | 19.3 | 9.3 | 15980 | 15980 | 44.7 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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) | ||||||||||
2.7 | 2.8 | 94.9 | 0.358 | 0.358 | 3 | 5.1 | 1540 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 2.7 | 42.24 | 15976 | 15976 | 1571 | 94.9 | 0.241 | 0.237 | 0.237 | 0.28 | RANDOM | 58.7 |
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] | |
10.87 | 16.3 | 10.87 | -21.73 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 24.4 |
c_scangle_it | 11.14 |
c_scbond_it | 8.23 |
c_mcangle_it | 5.77 |
c_mcbond_it | 3.66 |
c_angle_deg | 1.8 |
c_improper_angle_d | 0.88 |
c_bond_d | 0.014 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2217 |
Nucleic Acid Atoms | |
Solvent Atoms | 12 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
SOLVE | phasing |