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Co-crystal structure of feline coronavirus UU23 main protease with Ibuzatrelvir
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7SNA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.5 293 0.2 M Ammonium sulfate, 0.1 M Bis-Tris pH 5.5, 25% PEG3350
Crystal Properties Matthews coefficient Solvent content 3.06 59.76
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 80.656 α = 90 b = 97.754 β = 90 c = 204.563 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 PIXEL DECTRIS EIGER X 16M 2025-06-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS-II BEAMLINE 17-ID-1 0.987 NSLS-II 17-ID-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) 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 2.27 34.18 100 0.082 0.992 7.4 2 75486 28.92
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.27 2.35 0.466 0.63
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 2.27 34.18 1.34 75473 1613 99.97 0.2106 0.2101 0.213 0.2318 0.2358 41.36
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 15.6722 f_angle_d 0.803 f_chiral_restr 0.0503 f_plane_restr 0.0043 f_bond_d 0.0042
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8741 Nucleic Acid Atoms Solvent Atoms 707 Heterogen Atoms 136
Software Software Software Name Purpose PHENIX refinement PHASER phasing XDS data reduction XDS data scaling Coot model building