2C5G

Torpedo californica acetylcholinesterase in complex with 20mM thiocholine


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1EA5PDB ENTRY 1EA5

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1627732% PEG200, 150MM MES, PH6, 4 DEG. C, pH 6.00
Crystal Properties
Matthews coefficientSolvent content
2.7568

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 112.52α = 90
b = 112.52β = 90
c = 137.37γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCD2005-02-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-2ESRFID14-2

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
11.9520990.0621.267.3972945320.7
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)
11.95295.60.494.77.31

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 1EA51.9519.8772945370099.20.160.160.186RANDOM36.5
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]
5.570.685.57-11.15
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.2
c_scangle_it2.79
c_scbond_it1.92
c_mcangle_it1.67
c_angle_deg1.3
c_mcbond_it1.11
c_bond_d0.006
c_bond_d_na
c_bond_d_prot
c_angle_d
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.2
c_scangle_it2.79
c_scbond_it1.92
c_mcangle_it1.67
c_angle_deg1.3
c_mcbond_it1.11
c_bond_d0.006
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
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4245
Nucleic Acid Atoms
Solvent Atoms1408
Heterogen Atoms69

Software

Software
Software NamePurpose
CNSrefinement
XDSdata reduction
XSCALEdata scaling
CNSphasing