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Crystal structure of human acetylcholinesterase in complex with the uncharged hybrid reactivator quinoline-3-hydroxy-pyridinaldoxime
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4EY4
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 293 1.5 M LiSO4, 100 mM HEPES pH 7.5, 60 mM MgSO4
Crystal Properties Matthews coefficient Solvent content 6.25 80.32
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 210.738 α = 90 b = 210.738 β = 90 c = 114.799 γ = 120
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 S 16M 2023-02-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID23-1 0.8856 ESRF ID23-1
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 2.75 182.5 98.9 0.085 0.098 0.061 0.998 13.6 4.3 74648 77.97
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 2.75 2.81 97.4 1.383 1.6 0.791 0.413 0.9 3.9
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 2.75 68.98 1.35 74618 2000 98.8 0.1962 0.1956 0.1996 0.217 0.2221 85.55
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 19.2195 f_angle_d 0.5738 f_chiral_restr 0.0435 f_plane_restr 0.005 f_bond_d 0.0025
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8325 Nucleic Acid Atoms Solvent Atoms 371 Heterogen Atoms 542
Software Software Software Name Purpose PHENIX refinement XDS data reduction Aimless data scaling PHASER phasing