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Crystal structure of SARS-CoV-2 main protease E166V mutant in complex with an inhibitor TKB-245
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8UH9
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 298 0.1 M HEPES pH 7.5, 14 % w/v Polyethylene glycol 3,350
Crystal Properties Matthews coefficient Solvent content 2.07 40.66
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 45.931 α = 90 b = 53.951 β = 100.38 c = 114.966 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 PIXEL DECTRIS EIGER X 4M 2023-09-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS-II BEAMLINE 19-ID 0.979497 NSLS-II 19-ID
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 2.4 45.18 98.66 0.06562 14.26 3.8 21740
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) 1 2.4 2.51 0.5237
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 2.4 48.69 20612 1126 98.85 0.17991 0.17756 0.22195 0.1984 RANDOM 50.338
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] -1.56 -0.31 1.33 0.32
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 14.904 r_long_range_B_refined 9.425 r_long_range_B_other 9.425 r_dihedral_angle_1_deg 7.859 r_dihedral_angle_2_deg 7.375 r_scangle_other 7.091 r_mcangle_it 5.978 r_mcangle_other 5.977 r_scbond_it 4.674 r_scbond_other 4.674
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 14.904 r_long_range_B_refined 9.425 r_long_range_B_other 9.425 r_dihedral_angle_1_deg 7.859 r_dihedral_angle_2_deg 7.375 r_scangle_other 7.091 r_mcangle_it 5.978 r_mcangle_other 5.977 r_scbond_it 4.674 r_scbond_other 4.674 r_mcbond_it 3.973 r_mcbond_other 3.972 r_angle_refined_deg 1.69 r_angle_other_deg 0.684 r_chiral_restr 0.076 r_bond_refined_d 0.008 r_gen_planes_refined 0.007 r_bond_other_d 0.002 r_gen_planes_other 0.001 r_dihedral_angle_4_deg 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_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4730 Nucleic Acid Atoms Solvent Atoms 29 Heterogen Atoms 90
Software Software Software Name Purpose REFMAC refinement xia2 data reduction DIALS data scaling MOLREP phasing