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Crystal structure of a hairpin ribozyme in the catalytically-active conformation
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5 300 MPD, ammonium chloride, calcium chloride, pH 5.0, VAPOR DIFFUSION,
SITTING DROP at 300K, VAPOR DIFFUSION, SITTING DROP
Crystal Properties Matthews coefficient Solvent content 2.85 56.78
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 256.3 α = 90 b = 44.1 β = 109 c = 102.4 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 150 CCD ADSC QUANTUM 4 2000-10-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 1.100 ALS 5.0.2
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 2.4 61.07 95.2 0.067 22.8 3.6 41156 41156 43.2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.4 2.49 73.9 0.261 2.1 3147
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) 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 MAD THROUGHOUT 2.4 61.07 41156 41156 4142 95.2 0.23 0.229 0.1847 0.284 0.2418 RANDOM 86.7
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] -0.74 21.97 3.17 -2.44
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 18.4 c_scangle_it 10.56 c_scbond_it 9 c_mcangle_it 6.21 c_mcbond_it 5.04 c_improper_angle_d 1.78 c_angle_deg 1.2 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1498 Nucleic Acid Atoms 4838 Solvent Atoms 103 Heterogen Atoms 35
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling CNS phasing