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Crystal structure of SADS-CoV main protease (Lys35Val)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8I30
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 291 0.2 M potassium citrate tribasic monohydrate, 20% w/v PEG 3350
Crystal Properties Matthews coefficient Solvent content 2.89 57.45
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 121.564 α = 90 b = 91.332 β = 95.09 c = 67.987 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 PILATUS 6M 2025-01-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL19U1 0.97853 SSRF BL19U1
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 2.14 72.92 95.9 0.158 0.171 0.066 0.995 10.3 6.5 39195
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 2.14 2.2 96.7 0.828 0.932 0.417 0.535 2
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 THROUGHOUT 2.14 67.72 1.34 39175 1902 95.81 0.1898 0.1877 0.1885 0.23 0.2291
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 15.43 f_angle_d 1.064 f_chiral_restr 0.06 f_bond_d 0.008 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4532 Nucleic Acid Atoms Solvent Atoms 347 Heterogen Atoms
Software Software Software Name Purpose PHENIX refinement MOLREP phasing Aimless data scaling XDS data reduction