3WTO

Crystal Structure of Lymnaea stagnalis Acetylcholine-Binding Protein Q55R Mutant Complexed with Desnitro-imidacloprid


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION8.529324-27 % PEG4000, 0.1-0.3M LiSO4, 0.1M Tris-HCl, pH 8.5, 0.5mM Desnitro-imidacloprid, VAPOR DIFFUSION, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.5351.46

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 73.056α = 90
b = 120.742β = 90
c = 139.346γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2008-07-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL26B20.9SPring-8BL26B2

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
12.255099.80.07638.27.35907458935-330.3
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)
12.252.3399.70.4494.975802

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2ZJU2.2520.7815886258862294199.70.2170.2150.2150.262RANDOM43.8
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]
-0.387.88-7.5
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d25.4
c_angle_deg1.4
c_improper_angle_d0.73
c_bond_d0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d25.4
c_angle_deg1.4
c_improper_angle_d0.73
c_bond_d0.007
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
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8211
Nucleic Acid Atoms
Solvent Atoms460
Heterogen Atoms70

Software

Software
Software NamePurpose
BBSdata collection
PHASERphasing
CNSrefinement
HKL-2000data reduction
SCALEPACKdata scaling