2R1S
Structure of the RNA brominated tridecamer r(GCGUU-5BUGAAACGC) at 1.4 A (Br1)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 7 | 298 | 30% MPD, 100mM NaCl, 50 mM Tris, 3mM MnCl2, 2mM MgCl2, 0.5 mM RNA, pH 7.0, VAPOR DIFFUSION, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.13 | 42.27 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 25.38 | α = 98.64 |
b = 25.67 | β = 105.43 |
c = 29.92 | γ = 100.67 |
Symmetry | |
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Space Group | P 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 | 80 | IMAGE PLATE | MAR scanner 345 mm plate | 2003-02-03 | M | MAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM30A | 0.919487 | ESRF | BM30A |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.4 | 14.1 | 91 | 0.035 | 2.3 | 19.4 | 3.3 | 12174 |
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) | ||||||||||
1.4 | 1.49 | 67.2 | 0.113 | 8 | 8.8 | 1.8 | 1310 |
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 | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | 1.4 | 14.1 | 209 | 12174 | 1971 | 80.1 | 0.159 | 0.159 | 0.185 | random | 11.026 |
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] | |
-0.055 | -0.381 | -0.478 | -0.068 | 0.104 | 0.122 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 10.3 |
o_improper_angle_d | 1.2537 |
c_angle_d | 0.89206 |
c_bond_d | 0.003882 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 552 |
Solvent Atoms | 176 |
Heterogen Atoms | 6 |
Software
Software | |
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Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
CNS | refinement |
PDB_EXTRACT | data extraction |
MAR345dtb | data collection |
CNS | phasing |