1EVE

THREE DIMENSIONAL STRUCTURE OF THE ANTI-ALZHEIMER DRUG, E2020 (ARICEPT), COMPLEXED WITH ITS TARGET ACETYLCHOLINESTERASE


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15.8pH 5.8
Crystal Properties
Matthews coefficientSolvent content
3.868

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 111.925α = 90
b = 111.925β = 90
c = 136.896γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKUMIRRORS1997-05-26M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH3R

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.53098.10.053426639.1
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.52.59950.2522.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 2ACE2.53034240197698.30.1880.1880.228RANDOM29.3
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]
1.06-0.481.06-2.13
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d23.1
x_scangle_it6.88
x_scbond_it5.13
x_mcangle_it4.59
x_mcbond_it3.1
x_angle_deg1.2
x_improper_angle_d0.97
x_bond_d0.005
x_bond_d_na
x_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d23.1
x_scangle_it6.88
x_scbond_it5.13
x_mcangle_it4.59
x_mcbond_it3.1
x_angle_deg1.2
x_improper_angle_d0.97
x_bond_d0.005
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 AtomsNumber
Protein Atoms4254
Nucleic Acid Atoms
Solvent Atoms396
Heterogen Atoms98

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
X-PLORmodel building
X-PLORrefinement
X-PLORphasing