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Two apo structures of the adenine riboswitch aptamer domain determined using an X-ray free electron laser
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 BATCH MODE 6.5 295 40 mM sodium cacodylate, pH 6.5, 80 mM potassium chloride, 100 mM magnesium chloride, 12 mM spermine tetrahydrochloride, 65% v/v (+/-)-2-methyl-2,4-pentanediol
Crystal Properties Matthews coefficient Solvent content 2.27 45.81
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 47.91 α = 90 b = 46.72 β = 94.06 c = 92.25 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 295 PIXEL CS-PAD CXI-1 2015-07-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 FREE ELECTRON LASER SLAC LCLS BEAMLINE CXI 1.3 SLAC LCLS CXI
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Split (All) 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 2.3 25.02 100 0.1092 4.37 461.3 18602 70.9
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Split (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.3 2.38 100 0.8151 0.27 314.6 1823
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) 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 MOLECULAR REPLACEMENT THROUGHOUT 2.3 25.02 16995 1003 97.9 0.2156 0.2131 0.2126 0.2562 0.2538 RANDOM 77.187
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] -0.96 -0.28 2.17 -1.16
RMS Deviations Key Refinement Restraint Deviation r_scbond_it 3.921 r_angle_refined_deg 1.619 r_chiral_restr 0.106 r_gen_planes_refined 0.014 r_bond_refined_d 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 2826 Solvent Atoms 14 Heterogen Atoms 4
Software Software Software Name Purpose REFMAC refinement PHASER phasing PDB_EXTRACT data extraction Coot model building Cheetah data collection CrystFEL data reduction CrystFEL data scaling