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octameric RNA duplex co-crystallized in calcium(II)chloride
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 293.15 28% PEG 400, 0.2 M calcium chloride, 0.002 M spermine, 0.05 hepes sodium buffer pH 7.5
Crystal Properties Matthews coefficient Solvent content 2.25 45.22
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 47.671 α = 90 b = 47.671 β = 90 c = 51.885 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS 2M 2012-06-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X06SA 1.61 SLS X06SA
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 1.482 32.3 99.84 0.036 25.82 5.3 14194
Highest Resolution Shell 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 1.482 1.535 99.45 0.41 3.47 4.9
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION SAD FREE R-VALUE 1.482 32.305 1.32 14193 708 97.09 0.1708 0.1698 0.169 0.1884 0.1913
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 f_dihedral_angle_d 8.562 f_angle_d 0.956 f_chiral_restr 0.04 f_plane_restr 0.01 f_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 334 Solvent Atoms 53 Heterogen Atoms 3
Software Software Software Name Purpose PHENIX refinement XDS data reduction XSCALE data scaling PHASER phasing