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PRPP Riboswitch bound to PRPP, iridium-hexamine soaked structure
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 291 0.2 M NH4-acetate, 0.1 M HEPES-KOH pH 7.4, and 45% 2-methyl-2,4-pentanediol (v/v)
Crystal Properties Matthews coefficient Solvent content 3.55 65.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 83.52 α = 90 b = 92.677 β = 121.21 c = 74.487 γ = 90
Symmetry Space Group C 1 2 1
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 S 6M 2017-08-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-C 1.1051 APS 24-ID-C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) 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 2.65 20 96.5 0.119 0.073 0.808 27.2 3.4 24713
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.65 2.74 0.563 0.349 13280
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 FREE R-VALUE 2.656 19.535 1.38 24713 2449 89.75 0.1997 0.1973 0.1974 0.2217 0.2224
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 14.936 f_angle_d 0.551 f_chiral_restr 0.025 f_plane_restr 0.003 f_bond_d 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 2301 Solvent Atoms 6 Heterogen Atoms 158
Software Software Software Name Purpose PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHENIX phasing