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Crystal Structure of the Twister Sister (TS) Ribozyme at 2.0 Angstrom
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 EVAPORATION 6 289 magnesium acetate
sodium cacodylate
MPD
Crystal Properties Matthews coefficient Solvent content 2.22 44.49
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 39.304 α = 90 b = 39.304 β = 90 c = 228.413 γ = 90
Symmetry Space Group P 41 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 77 PIXEL DECTRIS PILATUS3 S 6M 2016-05-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID23-1 0.91772 ESRF ID23-1
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 37.16 97 0.07359 28.95 21.1 12723 268378
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 2 2.072 0.3758 1014
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) 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 2 37.16 1.34 12722 22488 1081 97.37 0.1721 0.1698 0.1899 0.2171 0.1985
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 12.335 f_angle_d 1.987 f_chiral_restr 0.09 f_plane_restr 0.018 f_bond_d 0.013
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 1320 Solvent Atoms 99 Heterogen Atoms 44
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling PHENIX phasing