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Three Conformational Snapshots of the Hepatitis C Virus NS3 Helicase Reveal a Ratchet Translocation Mechanism
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 hanging drop 6.5 298 10 mM NaF, 0.1 M Bis-Tris pH 5.5, 25 mM TMAO (trimethylamine n-oxide), and 12% (w/v) PEG 400, hanging drop, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.88 57.34
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 116.764 α = 90 b = 116.764 β = 90 c = 71.1 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray CCD ADSC QUANTUM 315r M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X29A 1.0809 NSLS X29A
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 2.05 50 97.7 0.08 34174 34174
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 2.05 50 33064 33064 1659 95.1 0.19 0.1828 0.223 0.2147 21.96
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] -1.325 -2.479 -1.325 2.649
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 2.9 c_scbond_it 2.056 c_mcangle_it 1.953 c_mcbond_it 1.293 c_angle_d 1.212 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3280 Nucleic Acid Atoms 117 Solvent Atoms 223 Heterogen Atoms 32
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing CNS refinement PDB_EXTRACT data extraction