4TVM
Structure of Citrate Synthase 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 | 293.15 | Citrate synthase crystals grew at 20 degrees Celsius in 0.2M Magnesium chloride hexahydrate, 0.1M Tris pH=8.5, 3.4M 1,6-Hexandiol in a 75/25 protein/reservoir-ratio drop of 1 microlitre and with a protein concentration of 5.2 mg/ml. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.03 | 39.37 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 148.767 | α = 90 |
b = 148.767 | β = 90 |
c = 182.797 | γ = 120 |
Symmetry | |
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Space Group | H 3 2 |
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 | PIXEL | DECTRIS PILATUS 6M-F | 2012-05-12 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | 0.9725 | ESRF | ID29 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 47.14 | 99.92 | 7.91 | 6.2 | 24114 |
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 | 4E6Y | 2.6 | 47.14 | 22819 | 1290 | 99.04 | 0.17494 | 0.17378 | 0.19405 | RANDOM | 54.367 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
14.13 | 14.13 | -28.26 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.094 |
r_dihedral_angle_4_deg | 17.827 |
r_dihedral_angle_3_deg | 17.177 |
r_long_range_B_other | 9.502 |
r_long_range_B_refined | 9.5 |
r_dihedral_angle_1_deg | 8.661 |
r_mcangle_it | 5.518 |
r_mcangle_other | 5.516 |
r_scangle_other | 5.435 |
r_mcbond_it | 3.764 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2966 |
Nucleic Acid Atoms | |
Solvent Atoms | 36 |
Heterogen Atoms | 9 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |