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Crystal Structure of the F140A mutant of SARS-Coronovirus 3C-like Protease at pH 7.6
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.6 277 0.1M Tris pH 7.6, 10% PEG 6000, 1mM DTT, 5% DMSO, vapor diffusion, hanging drop, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.28 46.13
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.111 α = 90 b = 68.144 β = 90 c = 148.903 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 2.9 15 98.4 0.189 3.47 14073
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) 2.9 3 99.9 0.366 1.9 3.59 1402
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 THROUGHOUT 2.9 14.97 14059 704 98.26 0.235 0.232 0.294 0.2648 RANDOM 22.86
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] 0.53 -3.64 3.11
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.646 r_dihedral_angle_3_deg 15.76 r_dihedral_angle_4_deg 15.074 r_dihedral_angle_1_deg 4.944 r_angle_refined_deg 0.932 r_scangle_it 0.581 r_mcangle_it 0.471 r_scbond_it 0.352 r_nbtor_refined 0.3 r_mcbond_it 0.262
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.646 r_dihedral_angle_3_deg 15.76 r_dihedral_angle_4_deg 15.074 r_dihedral_angle_1_deg 4.944 r_angle_refined_deg 0.932 r_scangle_it 0.581 r_mcangle_it 0.471 r_scbond_it 0.352 r_nbtor_refined 0.3 r_mcbond_it 0.262 r_nbd_refined 0.184 r_symmetry_vdw_refined 0.163 r_symmetry_hbond_refined 0.16 r_xyhbond_nbd_refined 0.136 r_chiral_restr 0.062 r_bond_refined_d 0.006 r_gen_planes_refined 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4634 Nucleic Acid Atoms Solvent Atoms 21 Heterogen Atoms
Software Software Software Name Purpose d*TREK data scaling REFMAC refinement PDB_EXTRACT data extraction d*TREK data reduction