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Crystal Structure of the F140A mutant of SARS-Coronovirus 3C-like Protease at pH 6.0
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 277 0.1M MES pH 6.0, 10% PEG 6000, 1mM DTT, 5% DMSO, vapor diffusion, hanging drop, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.28 46.14
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.16 α = 90 b = 67.942 β = 90 c = 149.242 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 2.3 15 99.3 0.103 3.77 28129
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) 2.3 2.38 100 0.327 2.1 3.78 2771
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 2.3 14.99 28120 1421 99.3 0.21 0.208 0.2064 0.246 0.2449 RANDOM 25.931
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] 0.56 -1.15 0.59
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.781 r_dihedral_angle_4_deg 17.657 r_dihedral_angle_3_deg 15.525 r_dihedral_angle_1_deg 5.457 r_scangle_it 1.2 r_angle_refined_deg 1.057 r_mcangle_it 0.755 r_scbond_it 0.747 r_mcbond_it 0.419 r_nbtor_refined 0.3
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.781 r_dihedral_angle_4_deg 17.657 r_dihedral_angle_3_deg 15.525 r_dihedral_angle_1_deg 5.457 r_scangle_it 1.2 r_angle_refined_deg 1.057 r_mcangle_it 0.755 r_scbond_it 0.747 r_mcbond_it 0.419 r_nbtor_refined 0.3 r_xyhbond_nbd_refined 0.206 r_symmetry_vdw_refined 0.185 r_nbd_refined 0.18 r_symmetry_hbond_refined 0.134 r_chiral_restr 0.072 r_bond_refined_d 0.007 r_gen_planes_refined 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4628 Nucleic Acid Atoms Solvent Atoms 258 Heterogen Atoms
Software Software Software Name Purpose d*TREK data scaling REFMAC refinement PDB_EXTRACT data extraction d*TREK data reduction