4KR9
Crystal structure of a 4-thiouridine synthetase - RNA complex at 3.5 Angstrom resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 4.6 | 292 | 1 micro-liter of ThiI-RNA complex solution at 10 mg/ml in a buffer consisting of 150 mM ammonium sulfate, 20mM Tris/HCl pH 7.5 was mixed with 3 micro-liter of freshly prepared reservoir solution (2.0 M sodium formate, 100 mM sodium citrate 2 mMDTT), VAPOR DIFFUSION, SITTING DROP, temperature 292K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.41 | 63.97 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 103.284 | α = 90 |
b = 113.551 | β = 90 |
c = 132.151 | γ = 90 |
Symmetry | |
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Space Group | P 21 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 | CCD | MAR CCD 165 mm | MIRRORS | 2006-06-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X11 | EMBL/DESY, HAMBURG | X11 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 3.474 | 52.165 | 99.3 | 0.089 | 9.9 | 4.3 | 20061 | -3 | 102.57 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 3.5 | 3.69 | 99.9 | 0.611 | 1.2 | 4.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | 3.5 | 29.75 | 1.36 | 19940 | 19940 | 996 | 98.9 | 0.232 | 0.23 | 0.269 | 159.22 |
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] | |
7.4952 | -9.1395 | 1.6444 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 21.141 |
f_angle_d | 0.979 |
f_chiral_restr | 0.1 |
f_bond_d | 0.009 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6198 |
Nucleic Acid Atoms | 1662 |
Solvent Atoms | |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
SCALA | data scaling |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
MOSFLM | data reduction |
PHASER | phasing |