4G12
Crystal structure of putative TetR family transcriptional regulator, Fad35R, from Mycobacterium tuberculosis
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 298 | 0.2M tri-Sodium citrate, 0.1M Tris-HCl pH 8.5, 30%(v/v) PEG400, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.25 | 62.15 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 76.836 | α = 90 |
b = 83.211 | β = 90 |
c = 95.328 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MARRESEARCH | mirrors | 2012-05-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM14 | 0.97755 | ESRF | BM14 |
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 | 3.44 | 50 | 99.9 | 0.122 | 0.122 | 12.4 | 4.3 | 15712 | 2 | 2 | 64.5 |
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) | ||||||||||
1 | 3.44 | 3.5 | 98 | 0.529 | 0.529 | 2.54 | 3.9 | 782 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | 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 | 3.44 | 20 | 2 | 2 | 7538 | 944 | 99.27 | 0.21301 | 0.21301 | 0.20759 | 0.25596 | RANDOM | 46.157 |
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] | |
0.3 | 0.03 | -0.33 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 27.766 |
r_dihedral_angle_4_deg | 15.956 |
r_dihedral_angle_3_deg | 15.685 |
r_sphericity_bonded | 9.67 |
r_dihedral_angle_1_deg | 4.101 |
r_rigid_bond_restr | 2.733 |
r_angle_refined_deg | 0.862 |
r_angle_other_deg | 0.817 |
r_chiral_restr | 0.044 |
r_gen_planes_refined | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2851 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 12 |
Software
Software | |
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Software Name | Purpose |
MxCuBE | data collection |
SHELX | model building |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
SHELX | phasing |