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Structure of Acetylcholinesterase Complex with (+)-Huperzine A at 2.1A Resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1EA5 PDB ENTRY 1EA5
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.8 pH 5.80
Crystal Properties Matthews coefficient Solvent content 3.8 66.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 111.421 α = 90 b = 111.421 β = 90 c = 137.145 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 BRUKER-AXS 2000-05-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-2 ESRF ID14-2
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 2.1 20 98.8 0.044 15.2 2.3 67270
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 2.1 2.18 99.9 0.4 2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 PDB ENTRY 1EA5 2.1 20 56565 2850 97.8 0.1886 0.1886 0.1959 0.2135 0.2236 RANDOM
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 c_angle_deg 1.32 c_bond_d 0.0062 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d
RMS Deviations Key Refinement Restraint Deviation c_angle_deg 1.32 c_bond_d 0.0062 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d c_improper_angle_d_na c_improper_angle_d_prot c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4162 Nucleic Acid Atoms Solvent Atoms 529 Heterogen Atoms 74
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling CNS phasing