4JIY

RNA three-way junction stabilized by a supramolecular di-iron(II) cylinder drug


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.5293.1520% 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
2VAPOR DIFFUSION, SITTING DROP8.5293.1515% PEG 400, 0.165M MAGNESIUM ACETATE, 0.05M TRIS CHLORIDE, PH 8.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293.15K

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.745α = 90
b = 45.745β = 90
c = 45.745γ = 90
Symmetry
Space GroupP 21 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCDMIRROR, BARTELS MONOCHROMATOR, DUAL CHANNEL CUT CRYSTALS, TOROIDAL MIRROR2009-12-10MSINGLE WAVELENGTH
22x-ray100CCDMARMOSAIC 225 mm CCDMIRROR, BARTELS MONOCHROMATOR, DUAL CHANNEL CUT CRYSTALS, TOROIDAL MIRROR2009-09-12MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06DA0.9999SLSX06DA
2SYNCHROTRONSLS BEAMLINE X06DA0.9999SLSX06DA

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
1,21.9145.74599.70.020427.067.54826403042
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)RedundancyNumber Unique Reflections (All)
1,21.912.0198.70.38470.38472.670.99703

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMAD1.9126.41244814403024283.70.2240.2709RANDOM51.2
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
KeyRefinement Restraint Deviation
SIMU0.164
s_from_restr_planes0.04
s_angle_d0.027
s_bond_d0.009
s_non_zero_chiral_vol0.008
s_anti_bump_dis_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms
Nucleic Acid Atoms125
Solvent Atoms39
Heterogen Atoms62

Software

Software
Software NamePurpose
RemDAqdata collection
SHELXDphasing
SHELXL-97refinement
XDSdata reduction
XPREPdata reduction