3GOT
Guanine riboswitch C74U mutant bound to 2-fluoroadenine.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 298 | 22.5 % PEG 2K, 560 mM ammonium acetate, 12 mM cobalt hexammine, 10 mM K+ HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.26 | 45.64 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 132.455 | ¦Á = 90 |
b = 35.084 | ¦Â = 90.1 |
c = 41.891 | ¦Ã = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | IMAGE PLATE | RIGAKU RAXIS IV | 2006-02-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU | 1.5418 |
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 | 1.95 | 20 | 95.6 | 0.059 | 10.2 | 3.58 | 13662 | 3 | 29.2 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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) | |||||||||||
1.95 | 2.02 | 0.315 | 3.2 | 3.21 | 1133 |
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1.95 | 19.98 | 13630 | 1020 | 95.2 | 0.218 | 0.218 | 0.268 | RANDOM | 39.8 |
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] | |
0.87 | 4.26 | -1.81 | 0.94 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 20.7 |
c_improper_angle_d | 1.9 |
c_angle_deg | 1.6 |
c_bond_d | 0.013 |
c_bond_d_na | |
c_bond_d_prot | |
c_angle_d | |
c_angle_d_na | |
c_angle_d_prot | |
c_angle_deg_na |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 1422 |
Solvent Atoms | 202 |
Heterogen Atoms | 92 |
Software
Software | |
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Software Name | Purpose |
CrystalClear | data collection |
CNS | refinement |
CrystalClear | data reduction |
d*TREK | data scaling |
CNS | phasing |