4NFO
Crystal Structure Analysis of the 16mer GCAGACUUAAGUCUGC
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 294.15 | 10% MPD(v/v)(Drop), 35% MPD(v/v)(reservoir), 40mM Na-cacodylate trihydrate (pH 7), 12mM spermine tetrahydrochloride, 80mM SrCl2, 20mM MgCl2 hexahydrate, VAPOR DIFFUSION, SITTING DROP, temperature 294.15K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.21 | 44.27 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 74.98 | α = 90 |
b = 43.08 | β = 120.98 |
c = 48.76 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 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 | 100 | CCD | ADSC QUANTUM 315 | 2012-04-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | 1.148 | SSRL | BL7-1 |
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 | 1.96 | 35.81 | 93.4 | 0.02 | 17.06 | 2 | 9759 | 9115 |
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 | 1.96 | 2.01 | 96.7 | 0.31 | 2.19 | 1.87 | 706 |
Refinement
Statistics | |||||||||||||||||||
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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 | MOLECULAR REPLACEMENT | THROUGHOUT | 1.96 | 35.81 | 9115 | 8672 | 443 | 93.86 | 0.21839 | 0.21839 | 0.21709 | 0.242 | RANDOM | 55.364 |
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] | |
2.06 | -0.93 | 1.81 | -1.92 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_angle_other_deg | 1.714 |
r_angle_refined_deg | 1.584 |
r_chiral_restr | 0.082 |
r_gen_planes_refined | 0.014 |
r_bond_refined_d | 0.011 |
r_bond_other_d | 0.009 |
r_gen_planes_other | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 1011 |
Solvent Atoms | 22 |
Heterogen Atoms | 14 |
Software
Software | |
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Software Name | Purpose |
Blu-Ice | data collection |
PHASER | phasing |
REFMAC | refinement |