2XQ5

Pentameric ligand gated ion channel GLIC in complex with tetraethylarsonium (TEAs)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP42779% PEG 4000, 50 MM CH3COONA, 200 MM (NH4)2SO4, PH 4.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K.
Crystal Properties
Matthews coefficientSolvent content
5.3176.67

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 183.314α = 90
b = 128.31β = 104.04
c = 164.374γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray90PIXELDECTRIS PILATUS 6M2009-09-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06SASLSX06SA

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
13.549.6391.10.0813.73.5505183.2

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONOTHERNONE3.540.21.9145603230097.670.25030.24950.2656
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]
27.1718-63.4267-19.8994-7.2724
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.441
f_angle_d1.323
f_chiral_restr0.086
f_bond_d0.01
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms12605
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms1

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XDSdata scaling