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Crystal structure of a junctionless all-RNA hairpin ribozyme at 2.05 angstroms resolution
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 293 PEG 2000 MME, LITHIUM SULFATE, cacodylate, spermidine, cobalt hexaamine, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 4.21 70.8
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 93.272 α = 90 b = 93.272 β = 90 c = 131.25 γ = 120
Symmetry Space Group P 61 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 210 BENT TRIANGULAR ASYMMETRIC CUT SI(111) MONOCHROMATOR (PROVIDES HORIZONTAL FOCUSSING), RH-COATED SI MIRROR FOR VERTICAL FOCUSSING 2004-11-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CHESS BEAMLINE A1 0.9764 CHESS A1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.05 30.4 99.3 24 8.2 21699 -5 61.8
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.05 2.12 99.1 0.432 3.3 4.7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (I) 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS THROUGHOUT 2.05 30.4 -5 21669 21645 1709 99.1 0.252 0.252 0.2482 0.268 0.2537 RANDOM 69.8
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] -10.5 -9.47 -13.11 23.61
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 17.6 c_improper_angle_d 1.99 c_angle_deg 1.5 c_bond_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 1295 Solvent Atoms 84 Heterogen Atoms 19
Software Software Software Name Purpose CNS refinement ADSC data collection CrystalClear data reduction CrystalClear data scaling CNS phasing