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THE CRYSTAL STRUCTURE OF E. COLI PSEUDOURIDINE SYNTHASE I AT 1.5 ANGSTROM RESOLUTION
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 MICRODIALYSIS 6.5 298 MES BUFFER, pH 6.5, MICRODIALYSIS, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.2 43.96
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 68.08 α = 90 b = 37.4 β = 97.68 c = 103.48 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 95 IMAGE PLATE RIGAKU RAXIS IV 1996-08-25 M SINGLE WAVELENGTH 2 1 x-ray 85 IMAGE PLATE MARRESEARCH 1997-04-30 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 2 SYNCHROTRON SSRL BEAMLINE BL7-1 SSRL BL7-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 1.5 38 95.2 0.08 7.8 3.07 83465 79453 17.88
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) 1.5 1.53 92.3 0.35 2.43
Refinement Statistics Diffraction ID Structure Solution Method 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION 1.5 38 83465 79453 3784 95.2 0.162 0.162 0.167 0.221 RANDOM
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]
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4194 Nucleic Acid Atoms Solvent Atoms 467 Heterogen Atoms 2
Software Software Software Name Purpose PHASES phasing REFMAC refinement DENZO data reduction SCALEPACK data scaling