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Crystal structure of a class I PreQ1 riboswitch complexed with a synthetic compound 1: 2-[(dibenzo[b,d]furan-2-yl)oxy]ethan-1-amine
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3Q50
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.6 294 0.01 M magnesium acetate, 0.05 M MES (pH 5.6), 2.6 M ammonium sulfate
Crystal Properties Matthews coefficient Solvent content 5.19 76.3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 115.395 α = 90 b = 115.395 β = 90 c = 58.784 γ = 120
Symmetry Space Group P 63 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 PIXEL DECTRIS PILATUS3 6M 2017-11-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 1.0 ALS 5.0.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) 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 1.8 57.7 100 0.081 0.083 0.017 0.998 15.7 25.4 21898 34.81
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.8 1.85 99.9 4.302 4.394 0.885 0.843 24
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 MOLECULAR REPLACEMENT THROUGHOUT 3Q50 1.8 57.698 1.35 21838 1090 99.75 0.1969 0.1965 0.2006 0.2045 0.2113 49.4878
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 13.665 f_angle_d 0.93 f_chiral_restr 0.042 f_plane_restr 0.011 f_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 674 Solvent Atoms 66 Heterogen Atoms 17
Software Software Software Name Purpose PHENIX refinement Aimless data scaling PHASER phasing PDB_EXTRACT data extraction DIALS data reduction