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Crystal structure of human acetylcholinesterase in complex with paraoxon and 2-PAM
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, SITTING DROP 7 295 15 - 18% PEG3350, 0.2M potassium nitrate
Crystal Properties Matthews coefficient Solvent content 4.31 71.48
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 104.803 α = 90 b = 104.803 β = 90 c = 323.462 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 ADSC QUANTUM 315 2014-05-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X29A 1.075 NSLS X29A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) 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 2.2 100 99.3 0.124 0.131 0.049 5.2 10.1 104863 40.31
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.24 89.4 0.521 0.692 5.4 4682
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 4EY4 2.201 47.13 1.35 104621 5287 99.19 0.1831 0.181 0.188 0.2236 0.2276 random 47.2636
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 15.216 f_angle_d 1.207 f_chiral_restr 0.051 f_bond_d 0.01 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8335 Nucleic Acid Atoms Solvent Atoms 596 Heterogen Atoms 156
Software Software Software Name Purpose HKL-2000 data collection SCALEPACK data scaling PHENIX refinement PDB_EXTRACT data extraction HKL-2000 data scaling