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SAM-II riboswitch bound to S-adenosylmethionine
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 298 640 mM Ammonium Acetate, 10% PEG 1000, 10 mM Barium Chloride, 50 mM Sodium Cacodylate, 8 mM Cobalt Hexaammine Chloride. Micro-seeded., pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.86 56.98
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 115.258 α = 90 b = 48.095 β = 108.25 c = 109.617 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 2007-04-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym I (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 2.8 20 97.9 0.061 31.9 7.8 27442 26866 3 129.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.8 2.9 94.7 0.349 5 7.7 4033
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (I) 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION SIRAS THROUGHOUT 2.8 19.9 2 26866 26866 1924 97.9 0.206 0.206 0.2026 0.263 0.2564 RANDOM 65.6
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] 34.88 23.73 -5.03 -29.85
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.5 c_improper_angle_d 1.4 c_angle_deg 1 c_bond_d 0.006 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.5 c_improper_angle_d 1.4 c_angle_deg 1 c_bond_d 0.006 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 3354 Solvent Atoms 154 Heterogen Atoms 105
Software Software Software Name Purpose CNS refinement CrystalClear data collection HKL-2000 data reduction HKL-2000 data scaling SOLVE phasing