4JIY
RNA three-way junction stabilized by a supramolecular di-iron(II) cylinder drug
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 293.15 | 20% PEG 400, 0.18M MAGNESIUM ACETATE, 0.05M TRIS CHLORIDE, PH 8.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293.15K. 15% PEG 400, 0.165M MAGNESIUM ACETATE, 0.05M TRIS CHLORIDE, PH 8.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293.15K |
2 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 293.15 | 15% PEG 400, 0.165M MAGNESIUM ACETATE, 0.05M TRIS CHLORIDE, PH 8.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293.15K |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 45.745 | α = 90 |
b = 45.745 | β = 90 |
c = 45.745 | γ = 90 |
Symmetry | |
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Space Group | P 21 3 |
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 | MARMOSAIC 225 mm CCD | MIRROR, BARTELS MONOCHROMATOR, DUAL CHANNEL CUT CRYSTALS, TOROIDAL MIRROR | 2009-12-10 | M | SINGLE WAVELENGTH | |||||
2 | 2 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | MIRROR, BARTELS MONOCHROMATOR, DUAL CHANNEL CUT CRYSTALS, TOROIDAL MIRROR | 2009-09-12 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X06DA | 0.9999 | SLS | X06DA |
2 | SYNCHROTRON | SLS BEAMLINE X06DA | 0.9999 | SLS | X06DA |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.91 | 45.745 | 99.7 | 0.0204 | 27.06 | 7.5 | 4826 | 4030 | 4 | 2 |
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 | 1.91 | 2.01 | 98.7 | 0.3847 | 0.3847 | 2.67 | 0.99 | 703 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MAD | 1.91 | 26.41 | 2 | 4 | 4814 | 4030 | 242 | 83.7 | 0.224 | 0.2709 | RANDOM | 51.2 |
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] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
SIMU | 0.164 |
s_from_restr_planes | 0.04 |
s_angle_d | 0.027 |
s_bond_d | 0.009 |
s_non_zero_chiral_vol | 0.008 |
s_anti_bump_dis_restr | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 125 |
Solvent Atoms | 39 |
Heterogen Atoms | 62 |
Software
Software | |
---|---|
Software Name | Purpose |
RemDAq | data collection |
SHELXD | phasing |
SHELXL-97 | refinement |
XDS | data reduction |
XPREP | data reduction |