4GMA
Crystal structure of the adenosylcobalamin riboswitch
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | hanging drop | 7.5 | 298 | 10% isopropanol, 300 mM magnesium chloride, 100 mM sodium HEPES pH 7.5, hanging drop, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.1 | 69.9 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 96.648 | α = 90 |
b = 243.545 | β = 90 |
c = 87.102 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315r | M | SINGLE WAVELENGTH | |||||||
2 | 1 | |||||||||||||
3 | 1 | |||||||||||||
4 | 1 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.2 | 0.97 | ALS | 5.0.2 |
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 | ||||||||
1,2 | 3.94 | 88.374 | 99.4 | 0.048 | 13.7 | 3.5 | 8706 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1,2 | 4.64 | 4.89 | 99.9 | 0.498 | 0.498 | 1.6 | 3.6 | 855 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MIR | THROUGHOUT | 3.94 | 42.26 | 9479 | 8706 | 411 | 92.23 | 0.2622 | 0.2628 | 0.2622 | 0.2752 | RANDOM | 220.6988 |
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] | |
-5.762 | -23.219 | 28.981 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_mcangle_it | 38.739 |
c_mcbond_it | 30.189 |
c_angle_d | 0.867 |
c_bond_d | 0.003 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 4140 |
Solvent Atoms | |
Heterogen Atoms | 109 |
Software
Software | |
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Software Name | Purpose |
SCALA | data scaling |
BUSTER-TNT | refinement |
SHARP | phasing |
PDB_EXTRACT | data extraction |
XDS | data reduction |