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THREE DIMENSIONAL STRUCTURE OF THE ANTI-ALZHEIMER DRUG, E2020 (ARICEPT), COMPLEXED WITH ITS TARGET ACETYLCHOLINESTERASE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2ACE PDB ENTRY 2ACE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.8 pH 5.8
Crystal Properties Matthews coefficient Solvent content 3.8 68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 111.925 α = 90 b = 111.925 β = 90 c = 136.896 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 IMAGE PLATE RIGAKU MIRRORS 1997-05-19 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH3R
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 2.5 30 98.1 0.05 34266 39.1
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.5 2.59 95 0.252 2.8
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 2ACE 2.5 30 34240 1976 98.3 0.188 0.188 0.1965 0.228 0.2337 RANDOM 29.3
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] 1.06 -0.48 1.06 -2.13
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 23.1 x_scangle_it 6.88 x_scbond_it 5.13 x_mcangle_it 4.59 x_mcbond_it 3.1 x_angle_deg 1.2 x_improper_angle_d 0.97 x_bond_d 0.005 x_bond_d_na x_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 23.1 x_scangle_it 6.88 x_scbond_it 5.13 x_mcangle_it 4.59 x_mcbond_it 3.1 x_angle_deg 1.2 x_improper_angle_d 0.97 x_bond_d 0.005 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4254 Nucleic Acid Atoms Solvent Atoms 396 Heterogen Atoms 98
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling X-PLOR model building X-PLOR refinement X-PLOR phasing