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Crystal structure of the main protease of coronavirus HKU4 in complex with a Michael acceptor SG85
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 6.9 293 VAPOR DIFFUSION AT 20C, 6% W/V POLYETHYLENE GLYCOL 3350, 2% V/V TACSIMATE, 5% V/V 2-PROPANOL, 0.1 M IMIDAZOLE PH 6.9; THEN THE CRYSTAL WAS SOAKED IN THE MOTHER LIQUOR SUPPLEMENTED WITH 2MM SG85 FOR 48H, TO GET THE COMPLEX CRYSTAL.
Crystal Properties Matthews coefficient Solvent content 2.37 48
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 79.35 α = 90 b = 79.35 β = 90 c = 178.67 γ = 120
Symmetry Space Group P 31 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 CCD MARMOSAIC 225 mm CCD MIRRORS 2012-09-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON BESSY BEAMLINE 14.2 BESSY 14.2
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 1.96 178.67 100 0.06 29.9 11.1 47447 -3 29.82
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 1.96 2 99.9 0.59 4.9 11.3
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1.96 68.72 47400 2370 99.48 0.1727 0.1714 0.1751 0.1979 0.2066 RANDOM 35.67
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] -1.8022 -1.8022 3.6045
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 14.88 t_omega_torsion 3.93 t_angle_deg 1.09 t_bond_d 0.01 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 14.88 t_omega_torsion 3.93 t_angle_deg 1.09 t_bond_d 0.01 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion t_chiral_improper_torsion t_sum_occupancies t_utility_distance t_utility_angle t_utility_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4618 Nucleic Acid Atoms Solvent Atoms 481 Heterogen Atoms 49
Software Software Software Name Purpose BUSTER refinement autoPROC data reduction XDS data reduction autoPROC data scaling XDS data scaling SCALA data scaling