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Crystal structure of SARS coronavirus main protease complexed with an alpha, beta-unsaturated ethyl ester inhibitor SG85
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6 298 6%-8% PEG 6000, 0.1M MES, 3% 2-methyl-2,4-pentanediol (MPD), 3% DMSO, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 3.41 63.89
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 107.58 α = 90 b = 83.13 β = 104.57 c = 53.32 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 200 CCD RAYONIX MX-225 2010-08-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON BESSY BEAMLINE 14.2 0.9184 BESSY 14.2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.59 30.58 94.9 60954 57863 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.59 1.631 100
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 (All) 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 MOLECULAR REPLACEMENT THROUGHOUT 1.59 30.58 60954 57863 3091 99.94 0.19489 0.19489 0.1936 0.2051 0.21916 0.2308 RANDOM 26.591
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] 0.01 -0.03 0.02
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.611 r_dihedral_angle_4_deg 15.928 r_dihedral_angle_3_deg 11.616 r_dihedral_angle_1_deg 6.197 r_scangle_it 2.913 r_scbond_it 1.834 r_angle_refined_deg 1.261 r_mcangle_it 1.165 r_mcbond_it 0.605 r_chiral_restr 0.086
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.611 r_dihedral_angle_4_deg 15.928 r_dihedral_angle_3_deg 11.616 r_dihedral_angle_1_deg 6.197 r_scangle_it 2.913 r_scbond_it 1.834 r_angle_refined_deg 1.261 r_mcangle_it 1.165 r_mcbond_it 0.605 r_chiral_restr 0.086 r_bond_refined_d 0.009 r_gen_planes_refined 0.006 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2371 Nucleic Acid Atoms Solvent Atoms 411 Heterogen Atoms 47
Software Software Software Name Purpose MAR345 data collection MOLREP phasing REFMAC refinement iMOSFLM data reduction SCALA data scaling