2XQ6

Pentameric ligand gated ion channel GLIC in complex with cesium ion (Cs+)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP42779% PEG4000, 50MM CH3COONA, 225MM (NH4)2SO4, PH4.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277.15K, VAPOR DIFFUSION, HANGING DROP
Crystal Properties
Matthews coefficientSolvent content
5.1676.2

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 6M2009-05-10MSINGLE 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
13.75088.90.148.93401442.1

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 DIFFRACTIONOTHERNONE3.739.8661.9138628195197.580.24660.2460.2578
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]
30.3013-61.467-13.4096-16.8917
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.894
f_angle_d1.412
f_chiral_restr0.093
f_bond_d0.011
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