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Substrate Specificity Profiling and Identification of a New Class of Inhibitor for the Major Protease of the SARS Coronavirus
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 298 10% PEG-6K, 10% DMSO, 2mM DTT, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.5 50.85
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 52.314 α = 90 b = 96.798 β = 103.2 c = 67.877 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 100 CCD ADSC QUANTUM 4 2004-06-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.3.1 ALS 8.3.1
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 1.8 65.938 60901 60036
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1.8 20 59985 2998 98.58 0.172 0.17 0.207 0.2678 RANDOM 36.393
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] 1.4 1.07 0.63 -1.54
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.019 r_dihedral_angle_3_deg 15.225 r_dihedral_angle_4_deg 13.54 r_dihedral_angle_1_deg 12.196 r_scangle_it 4.028 r_angle_other_deg 3.328 r_scbond_it 2.717 r_mcangle_it 1.798 r_angle_refined_deg 1.544 r_mcbond_it 1.193
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.019 r_dihedral_angle_3_deg 15.225 r_dihedral_angle_4_deg 13.54 r_dihedral_angle_1_deg 12.196 r_scangle_it 4.028 r_angle_other_deg 3.328 r_scbond_it 2.717 r_mcangle_it 1.798 r_angle_refined_deg 1.544 r_mcbond_it 1.193 r_symmetry_vdw_other 0.359 r_symmetry_vdw_refined 0.294 r_nbd_other 0.234 r_nbd_refined 0.233 r_mcbond_other 0.226 r_symmetry_hbond_refined 0.221 r_xyhbond_nbd_refined 0.193 r_nbtor_refined 0.183 r_chiral_restr 0.102 r_nbtor_other 0.1 r_bond_refined_d 0.015 r_gen_planes_other 0.007 r_gen_planes_refined 0.006 r_bond_other_d
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4649 Nucleic Acid Atoms Solvent Atoms 491 Heterogen Atoms 58
Software Software Software Name Purpose SCALA data scaling REFMAC refinement PDB_EXTRACT data extraction CrystalClear data collection MOSFLM data reduction MOLREP phasing