1ODC

STRUCTURE OF ACETYLCHOLINESTERASE (E.C. 3.1.1.7) COMPLEXED WITH N-4'-QUINOLYL-N'-9"-(1",2",3",4"-TETRAHYDROACRIDINYL)-1,8- DIAMINOOCTANE AT 2.2A RESOLUTION


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2ACEPDB ENTRY 2ACE

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15.8277PROTEIN WAS CRYSTALLISED FROM 28-33% V/V PEG 200 0.5M MES PH 5.8 AT 4 DEG. CELSIUS; THEN SOAKED IN MOTHER LIQUOR (40% V/V PEG 200 IN 0.1 M MES BUFFER, PH 5.8) CONTAINING 1MM N-4'-QUINOLYL-N'-9"-(1",2", 3",4"-TETRAHYDROACRIDINYL)-1,8-DIAMINOOCTANE DIHYRDOCHLORIDE FOR ONE DAY.
Crystal Properties
Matthews coefficientSolvent content
4.0669.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 111.487α = 90
b = 111.487β = 90
c = 136.744γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray120IMAGE PLATERIGAKU IMAGE PLATEOSMIC BLUE CONFOCAL MIRRORS2000-10-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH3R

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
12.23099.70.04923.10.355028426.4
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.22.2899.90.2879.81

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 2ACE2.229.1249443242898.30.19910.19910.2401RANDOM35.2
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]
7.033.077.03-14.04
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24
c_scangle_it2.994
c_scbond_it2.153
c_angle_deg1.9
c_mcangle_it1.811
c_improper_angle_d1.27
c_mcbond_it1.233
c_bond_d0.02
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24
c_scangle_it2.994
c_scbond_it2.153
c_angle_deg1.9
c_mcangle_it1.811
c_improper_angle_d1.27
c_mcbond_it1.233
c_bond_d0.02
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_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4178
Nucleic Acid Atoms
Solvent Atoms153
Heterogen Atoms62

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing