3COW
Crystal Structure of Mycobacterium Tuberculosis Pantothenate Synthetase at 1.8 Ang resolution- in complex with sulphonamide inhibitor 2
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3COV | PDB entry 3COV |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 293 | final soak solution: 12% PEG3000, 150 mM Li2SO4, 0.1 M imidazole, 2% ethanol, 10% glycerol, 20 mM MgCl2, 2.5 mM of inhibitor 2, 5% v/v DMSO, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.2 | 44.2 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 48.42 | α = 90 |
b = 71.24 | β = 99.46 |
c = 81.81 | 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 | ADSC QUANTUM 315 | 2006-09-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | 0.793 | ESRF | ID29 |
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 | 1.8 | 50 | 99.6 | 0.07 | 0.07 | 10.9 | 3.7 | 50396 | 50195 | 2.5 | 19.7 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.8 | 1.84 | 99.1 | 0.357 | 0.357 | 3.5 | 3323 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | FOURIER SYNTHESIS | THROUGHOUT | PDB entry 3COV | 1.8 | 47.78 | 47962 | 47631 | 2550 | 99.31 | 0.16233 | 0.16233 | 0.15985 | 0.20889 | RANDOM | 23.573 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.854 |
r_dihedral_angle_4_deg | 14.644 |
r_dihedral_angle_3_deg | 13.055 |
r_dihedral_angle_1_deg | 5.513 |
r_scangle_it | 5.362 |
r_scbond_it | 3.662 |
r_mcangle_it | 3.544 |
r_mcbond_it | 2.735 |
r_angle_refined_deg | 1.453 |
r_nbtor_refined | 0.307 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4167 |
Nucleic Acid Atoms | |
Solvent Atoms | 447 |
Heterogen Atoms | 80 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
ADSC | data collection |
DENZO | data reduction |
SCALEPACK | data scaling |
CCP4 | phasing |