3HHF
Structure of CrgA regulatory domain, a LysR-type transcriptional regulator from Neisseria meningitidis.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 293 | 200 mM ammonium acetate, 25% PEG 3350, 0.1M bis-Tris pH5.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.22 | 44.68 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 51.6 | α = 90 |
b = 65.6 | β = 105 |
c = 63.5 | 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 | CCD | MARMOSAIC 225 mm CCD | 2006-04-10 | M | MAD | ||||||
2 | 1 | x-ray | 100 | M | SINGLE WAVELENGTH | |||||||||
1,2 | 1 |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM14 | 0.9780, 0.9065, 0.9785, 0.9795 | ESRF | BM14 |
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 | 2.3 | 30 | 85.8 | 0.073 | 18 | 4.1 | 15951 | -1.5 | 34 |
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 | 2.29 | 2.37 | 34.8 | 0.299 | 2.1 | 1.8 | 636 |
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 | MAD | THROUGHOUT | 2.3 | 30 | 14781 | 770 | 84.79 | 0.20417 | 0.20146 | 0.25819 | RANDOM | 24.523 |
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] | |
-1.78 | 0.57 | 1.16 | 0.92 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 28.606 |
r_dihedral_angle_3_deg | 12.077 |
r_dihedral_angle_4_deg | 11.728 |
r_dihedral_angle_1_deg | 5.595 |
r_scangle_it | 2.299 |
r_scbond_it | 1.532 |
r_angle_refined_deg | 1 |
r_angle_other_deg | 0.947 |
r_mcangle_it | 0.87 |
r_mcbond_it | 0.68 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3139 |
Nucleic Acid Atoms | |
Solvent Atoms | 203 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
SOLVE | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |