3SLQ
Crystal structure of the 2'- Deoxyguanosine riboswitch bound to guanosine-5'-monophosphate
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.1 | 293 | 0.05 M Na-succinate, ~3.0 M (NH4)2SO4, 0.5 mM spermine and 20 mM MgCl2., VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 5.1 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.19 | 43.85 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 34.876 | α = 90 |
b = 48.39 | β = 90 |
c = 228.63 | 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 | ADSC QUANTUM 315 | 2010-04-13 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X29A | 1.075 | NSLS | X29A |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 2.5 | 20 | 96.5 | 0.076 | 27.6 | 4.6 | 14173 | 13677 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.5 | 2.59 | 98.8 | 0.376 | 5 | 4.8 | 1343 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution 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 | Molrep | 2.5 | 19.88 | 1.35 | 13571 | 1362 | 95.98 | 0.2419 | 0.2371 | 0.2854 |
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] | |
-4.5895 | 31.4568 | -26.8672 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 24.363 |
f_angle_d | 1.058 |
f_chiral_restr | 0.062 |
f_plane_restr | 0.007 |
f_bond_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 2874 |
Solvent Atoms | 2 |
Heterogen Atoms | 88 |
Software
Software | |
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Software Name | Purpose |
CBASS | data collection |
MOLREP | phasing |
PHENIX | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |