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Crosslinked Hammerhead Ribozyme Initial State
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other urx 057
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 293 1.8 M Lithium sulphate and 50 mM sodium cacodylate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 20.0K
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 65.639 α = 90 b = 65.639 β = 90 c = 137.475 γ = 120
Symmetry Space Group P 31 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 CCD ADSC QUANTUM 4 2001-12-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 1.15 ALS 5.0.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.85 19.76 99.53 0.072 0.064 13.8 5.2 7544 7544
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) 2.85 2.923 99.3 0.349 0.316 2.2 5.3 565
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS THROUGHOUT urx 057 2.85 19.76 7544 7544 840 99.53 0.20607 0.20607 0.20332 0.23241 41.892
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] 0.12 0.06 0.12 -0.18
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 2.152 r_angle_refined_deg 2.007 r_scbond_it 1.34 r_xyhbond_nbd_refined 0.228 r_symmetry_vdw_refined 0.224 r_nbd_refined 0.203 r_symmetry_hbond_refined 0.152 r_chiral_restr 0.097 r_bond_refined_d 0.01 r_gen_planes_refined 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 873 Solvent Atoms Heterogen Atoms 4
Software Software Software Name Purpose REFMAC refinement SCALA data scaling CNS refinement MOSFLM data reduction CCP4 data scaling CNS phasing