5AY2
Crystal structure of RNA duplex containing C-Ag(I)-C base pairs
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | MPD, Spermine, Lithium Nitrate, MOPS |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.06 | 40.26 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 29.48 | α = 90 |
b = 46.86 | β = 90 |
c = 89.94 | 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 | PIXEL | DECTRIS PILATUS 6M | 2014-11-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE BL-17A | 0.98 | Photon Factory | BL-17A |
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 | 1.3 | 45 | 99.8 | 0.032 | 28.02 | 6.3 | 31405 | -3 | 19.71 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.3 | 1.33 | 98.2 | 0.21 | 7.28 |
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 | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | SAD | FREE R-VALUE | 1.3 | 45 | 31405 | 3145 | 99.7 | 0.174 | 0.174 | 0.189 | 20.51 |
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] | |
0.382 | 1.219 | -1.601 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_scangle_it | 1.657 |
c_scbond_it | 1.17 |
c_bond_d | 0.003 |
c_bond_d_na | |
c_bond_d_prot | |
c_angle_d | |
c_angle_d_na | |
c_angle_d_prot | |
c_angle_deg | |
c_angle_deg_na |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 1000 |
Solvent Atoms | 328 |
Heterogen Atoms | 4 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
XSCALE | data scaling |
PDB_EXTRACT | data extraction |
XDS | data reduction |
PHENIX | phasing |