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Structure of the THF riboswitch bound to tetrahydrobiopterin
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 303 2,4-methyl-pentanediol, spermine, sodium cacodylate, sodium chloride, dithiothreitol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 303K
Crystal Properties Matthews coefficient Solvent content 2.54 51.51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 26.99 α = 90 b = 68.62 β = 90 c = 158.06 γ = 90
Symmetry Space Group P 21 21 21
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 315r 2013-01-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 1.1051 ALS 5.0.2
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 1.9 52.69 99.4 5.7 24030 5.5 5.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 2 99.5 0.221 0.109 5.5 4.9
Refinement Statistics Diffraction ID Structure Solution 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 MOLECULAR REPLACEMENT 1.9 28.751 1.34 24030 23940 1199 99.16 0.2215 0.2204 0.2218 0.2401 0.2398
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 11.967 f_angle_d 0.977 f_chiral_restr 0.044 f_plane_restr 0.007 f_bond_d 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 1913 Solvent Atoms 168 Heterogen Atoms 34
Software Software Software Name Purpose BOS data collection PHASER phasing PHENIX refinement MOSFLM data reduction SCALA data scaling