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Crystal Structure of Recombinant Human Acetylcholinesterase in Complex with (-)-huperzine A
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4EY7 PDB ENTRY 4EY7
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 295 12 to 18% PEG 3350, 0.2M potassium nitrate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 4.35 71.69
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 105.222 α = 90 b = 105.222 β = 90 c = 323.289 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 2012-01-01 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) 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 2.3 50 99.9 0.075 8.5 3.6 93196 93103 -3
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 2.3 2.34 99.9 0.627 3.6
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (All) 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 PDB ENTRY 4EY7 2.3012 47.278 97784 92931 4660 99.8 0.1775 0.1756 0.1802 0.2123 0.2127
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] 8.9064 8.9064 -17.8128
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.284 f_angle_d 1.071 f_chiral_restr 0.075 f_bond_d 0.007 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8284 Nucleic Acid Atoms Solvent Atoms 371 Heterogen Atoms 154
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHENIX refinement PDB_EXTRACT data extraction HKL-2000 data collection HKL-2000 data reduction HKL-2000 data scaling