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Crystal Structure of the F140A mutant of SARS-Coronovirus 3C-like Protease at pH 6.5
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 277 0.1M MES pH 6.5, 10% PEG 6000, 1mM DTT, 5% DMSO, vapor diffusion, hanging drop, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.32 47.09
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.248 α = 90 b = 67.957 β = 90 c = 149.286 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE RIGAKU RAXIS IV++ 2008-03-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418
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 2.6 15 95.7 0.155 3.35 18885
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) 2.6 2.69 96.8 0.35 1.9 3.44 1882
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION THROUGHOUT 2.6 14.99 18868 966 95.59 0.235 0.232 0.2298 0.306 0.3009 RANDOM 21.924
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] 0.85 -1.13 0.27
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.848 r_dihedral_angle_3_deg 16.016 r_dihedral_angle_4_deg 15.388 r_dihedral_angle_1_deg 4.927 r_angle_refined_deg 0.926 r_scangle_it 0.523 r_mcangle_it 0.387 r_scbond_it 0.321 r_nbtor_refined 0.297 r_mcbond_it 0.213
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.848 r_dihedral_angle_3_deg 16.016 r_dihedral_angle_4_deg 15.388 r_dihedral_angle_1_deg 4.927 r_angle_refined_deg 0.926 r_scangle_it 0.523 r_mcangle_it 0.387 r_scbond_it 0.321 r_nbtor_refined 0.297 r_mcbond_it 0.213 r_nbd_refined 0.173 r_symmetry_vdw_refined 0.168 r_symmetry_hbond_refined 0.14 r_xyhbond_nbd_refined 0.111 r_chiral_restr 0.061 r_bond_refined_d 0.006 r_gen_planes_refined 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4604 Nucleic Acid Atoms Solvent Atoms 111 Heterogen Atoms
Software Software Software Name Purpose d*TREK data scaling REFMAC refinement PDB_EXTRACT data extraction d*TREK data reduction