2AVU
Structure of the Escherichia coli FlhDC complex, a prokaryotic heteromeric regulator of transcription
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 298 | sodium chloride, sodium acetate, ethylene imine polymer, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
2 | VAPOR DIFFUSION | 7.5 | 298 | polyethylene glycol, magnesium acetate, sodium hepes, pH 7.5, VAPOR DIFFUSION, temperature 298K |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 151.137 | α = 90 |
b = 151.137 | β = 90 |
c = 114.16 | γ = 120 |
Symmetry | |
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Space Group | P 61 |
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 | M | SINGLE WAVELENGTH | |||||||
2 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.97964 | SSRL | BL9-2 |
2 | SYNCHROTRON | ALS BEAMLINE 8.2.2 | 0.97964 | ALS | 8.2.2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 3 | 50 | 99.4 | 0.037 | 0.037 | 28.3 | 4.4 | 29628 | 29451 | 2 | 4.2 |
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) | ||||||||||
3 | 3.1 | 99.5 | 0.314 | 0.314 | 4.2 | 4.3 | 2936 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 3 | 37.79 | 29685 | 28854 | 1412 | 97.2 | 0.22 | 0.217 | 0.217 | 0.255 | RANDOM | 77.7 |
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] | |
1.15 | 14.35 | 1.15 | -2.29 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 19.4 |
c_angle_deg | 1.4 |
c_improper_angle_d | 0.87 |
c_bond_d | 0.009 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5314 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |
SOLVE | phasing |