5XII
Crystal Structure of Toxoplasma gondii Prolyl-tRNA Synthetase (TgPRS) in complex with inhibitor 6
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4TWA |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 293 | 10%(w/v) PEG 8K, 20%(v/v) ethylene glycol, 0.03M of each divalent cation and 0.1M MOPS/HEPES-Na |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.66 | 53.83 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 76.6 | α = 89.94 |
b = 90.73 | β = 99.37 |
c = 92.996 | γ = 104.31 |
Symmetry | |
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Space Group | P 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 | 2015-03-23 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM14 | 0.9797 | ESRF | BM14 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 2.17 | 50 | 98.1 | 0.041 | 0.052 | 0.031 | 11 | 2.7 | 123090 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.17 | 2.21 | 93.5 | 0.479 | 0.612 | 0.376 | 0.703 | 2.6 | 5878 |
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 | 4TWA | 2.17 | 40.29 | 115317 | 6101 | 96.56 | 0.1773 | 0.1748 | 0.2239 | RANDOM | 33.867 |
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] | |
-0.65 | -0.01 | -0.07 | 0.14 | 0.01 | 0.48 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.127 |
r_dihedral_angle_4_deg | 16.62 |
r_dihedral_angle_3_deg | 14.546 |
r_dihedral_angle_1_deg | 6.378 |
r_angle_refined_deg | 1.547 |
r_chiral_restr | 0.105 |
r_bond_refined_d | 0.012 |
r_gen_planes_refined | 0.008 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 15288 |
Nucleic Acid Atoms | |
Solvent Atoms | 730 |
Heterogen Atoms | 367 |
Software
Software | |
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Software Name | Purpose |
MxCuBE | data collection |
HKL-2000 | data scaling |
PHASER | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
MxCuBE | data reduction |
HKL | data scaling |