5EQJ
Crystal structure of the two-subunit tRNA m1A58 methyltransferase from Saccharomyces cerevisiae
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 293 | 0.1 M KCl, 0.1 M Tris HCl pH 8.5, 15% PEG 2000 MME |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.86 | 56.97 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 138.645 | α = 90 |
b = 138.645 | β = 90 |
c = 102.727 | γ = 120 |
Symmetry | |
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Space Group | P 32 2 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 325 mm CCD | 2015-04-27 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRF BEAMLINE BL17U | 0.9792 | SSRF | BL17U |
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 | 2.2 | 50 | 99.8 | 23.5 | 8.3 | 57936 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2.2 | 2.28 | 99.8 | 3.4 | 7.9 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | FREE R-VALUE | 2.2 | 39.029 | 1.34 | 57895 | 2873 | 99.77 | 0.1847 | 0.1832 | 0.2117 |
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 |
f_dihedral_angle_d | 15.315 |
f_angle_d | 1.129 |
f_chiral_restr | 0.05 |
f_bond_d | 0.008 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5182 |
Nucleic Acid Atoms | |
Solvent Atoms | 199 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
HKL-2000 | data reduction |
SCALA | data scaling |
AutoSol | phasing |