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Room temperature X-ray structure of SARS-CoV-2 main protease (Mpro) in complex with HL-3-71
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7LTJ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 287 18-21% PEG3350, 0.1 M Bis-Tris pH 6.5 or pH 7.0
Crystal Properties Matthews coefficient Solvent content 2.87 57.14
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 52.284 α = 90 b = 81.607 β = 95.5 c = 91.432 γ = 90
Symmetry Space Group I 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 293 PIXEL DECTRIS EIGER R 4M 2021-03-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.5406
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) 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 2.1 60.76 99.9 0.099 0.053 0.984 11.47 4.5 22348
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.1 2.18 100 0.525 0.279 0.741 1.96
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 7LTJ 2.1 26.06 1.35 22334 1110 99.84 0.1772 0.1756 0.1767 0.2064 0.2047 random
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 16.835 f_angle_d 0.429 f_chiral_restr 0.04 f_plane_restr 0.004 f_bond_d 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2367 Nucleic Acid Atoms Solvent Atoms 114 Heterogen Atoms 25
Software Software Software Name Purpose PHENIX refinement CrysalisPro data reduction Aimless data scaling PHASER phasing