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Crystal structure of SARS-CoV main protease quadruple mutant STIF/A with two molecules in one asymmetric unit
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2H2Z PDB ENTRY 2H2Z
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 298 6% PEG 6000, 0.1M Mes, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 3.12 60.56
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 109.518 α = 90 b = 79.311 β = 104.93 c = 100.222 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 Bruker Platinum 135 2008-06-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE BRUKER AXS MICROSTAR 1.5401
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 2.2 50 89.4 0.068 19.899 5.9 37488
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) 2.2 2.28 55.6 0.28 3.6 2320
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 2H2Z 2.7 49.677 2 20689 1240 90.18 0.204 0.201 0.2034 0.257 0.2589 46.627
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] -15.907 7.669 -1.384 17.291
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 17.054 f_angle_d 1.015 f_chiral_restr 0.067 f_bond_d 0.006 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4647 Nucleic Acid Atoms Solvent Atoms 57 Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction PROTEUM PLUS data collection HKL-2000 data reduction