2QX1
Crystal structure of the complex between mycobacterium tuberculosis beta-ketoacyl-acyl carrier protein synthase III (FABH) and decyl-COA disulfide
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | 100MM NA HEPES, 18% PEG-10K(W.V), pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.46 | 49.63 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 67.649 | α = 90 |
b = 89.365 | β = 90 |
c = 232.006 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
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 | IMAGE PLATE | RIGAKU RAXIS IV | RIGAKU VARIMAX CONFOCAL OPTICS | 2006-03-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 | 1.5418 |
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 | 2.6 | 39.5 | 98 | 0.122 | 6.6 | 2.76 | 22144 | 21693 | 37.8 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.6 | 2.69 | 99.9 | 0.277 | 3.5 | 2.79 | 2176 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1HZP | 2.6 | 14.88 | 19381 | 2178 | 97.5 | 0.24951 | 0.24214 | 0.3162 | RANDOM | 29.71 |
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] | |
2.43 | -1.25 | -1.19 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.35 |
r_dihedral_angle_4_deg | 18.882 |
r_dihedral_angle_3_deg | 17.09 |
r_dihedral_angle_1_deg | 5.699 |
r_angle_refined_deg | 1.229 |
r_scangle_it | 1.172 |
r_scbond_it | 0.705 |
r_mcangle_it | 0.482 |
r_nbtor_refined | 0.304 |
r_mcbond_it | 0.273 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4872 |
Nucleic Acid Atoms | |
Solvent Atoms | 145 |
Heterogen Atoms | 70 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
CNS | refinement |
CrystalClear | data collection |
CrystalClear | data reduction |
d*TREK | data scaling |
CNS | phasing |