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X-ray crystal structure of the tetrahydrofolate riboswitch aptamer bound to 5-deazatetrahydropterin
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 303 6% 2,4-methyl-pentanediol, 10 mM spermine, 40 mM Na-cacodylate, pH 7.0, 80 mM NaCl and 1 mM DTT
Crystal Properties Matthews coefficient Solvent content 2.52 51.11
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 26.863 α = 90 b = 68.697 β = 90 c = 157.309 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 173 PIXEL DECTRIS PILATUS3 S 6M 2015-12-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I23 1.0 Diamond I23
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 2.72 51.741 98 6.7 6.1 8282
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.72 2.82
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 THROUGHOUT 2.72 51.741 1.35 8282 395 98.44 0.2123 0.2102 0.2154 0.2481 0.2456 60.1665
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 13.023 f_angle_d 0.993 f_chiral_restr 0.043 f_plane_restr 0.007 f_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 1913 Solvent Atoms 2 Heterogen Atoms 25
Software Software Software Name Purpose PHENIX refinement PDB_EXTRACT data extraction xia2 data reduction xia2 data scaling PHASER phasing