Crystal structure of Cryptosporidium parvum - Trypanosoma cruzi mutant lysyl tRNA synthetase in complex with inhibitor
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 5ELO |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 293 | Protein buffer: 25 mM HEPES, 500 mM NaCl, 5% glycerol, 0.5 mM TCEP, pH 7, 30 mg/ml Reservoir: 0.2 M Li2SO4, 14-18% PEG3350, 0.1 M tris pH 7.4-7.8 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.56 | 52.01 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 73.136 | α = 90 |
b = 116.697 | β = 90 |
c = 142.882 | γ = 90 |
Symmetry | |
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Space Group | P 2 21 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 | PIXEL | DECTRIS EIGER2 X 16M | 2022-11-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I04 | 0.95373 | Diamond | I04 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | 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 | 1.6 | 58.35 | 99.7 | 0.082 | 0.033 | 0.999 | 16 | 13.1 | 160925 | 19.17 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 1.6 | 1.63 | 95 | 1.212 | 0.635 | 0.628 | 1.6 | 8.3 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 1.6 | 58.35 | 160837 | 8146 | 99.697 | 0.185 | 0.1843 | 0.194 | 0.2085 | 0.2175 | 22.791 |
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] | |
0.068 | 0.804 | -0.872 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_6_deg | 17.11 |
r_dihedral_angle_3_deg | 14.28 |
r_dihedral_angle_2_deg | 9.846 |
r_dihedral_angle_1_deg | 6.908 |
r_lrange_it | 6.141 |
r_lrange_other | 6.115 |
r_scangle_it | 5.14 |
r_scangle_other | 5.139 |
r_scbond_it | 3.467 |
r_scbond_other | 3.464 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8051 |
Nucleic Acid Atoms | |
Solvent Atoms | 754 |
Heterogen Atoms | 89 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
Aimless | data scaling |
PHASER | phasing |