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Crystal structure of MERS 3CL protease in complex with a racemic bicyclo[2.2.1]heptenyl-methyl 2-pyrrolidone inhibitor
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5WKK
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 291 25% w/v PEG3350, 100 mM Tris, pH 8.5, 200 mM ammonium acetate
Crystal Properties Matthews coefficient Solvent content 1.98 37.77
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 101.309 α = 90 b = 58.122 β = 112.18 c = 49.755 γ = 90
Symmetry Space Group C 1 2 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 EIGER2 XE 9M 2022-12-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS-II BEAMLINE 19-ID 0.9786 NSLS-II 19-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) 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 1.6 49.41 99.9 0.088 0.097 0.041 0.998 10.1 5.5 35346
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.6 1.63 100 0.937 1.028 0.416 0.633 5.8
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1.6 46.91 1.03 35330 1796 99.8 0.1578 0.1558 0.1646 0.1955 0.2059
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.215 f_angle_d 0.98 f_chiral_restr 0.059 f_bond_d 0.009 f_plane_restr 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2318 Nucleic Acid Atoms Solvent Atoms 218 Heterogen Atoms 74
Software Software Software Name Purpose PHENIX refinement Aimless data scaling XDS data reduction PHASER phasing