4TNW

C. elegans glutamate-gated chloride channel (GluCl) in complex with Fab and POPC in a lipid-modulated conformation


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3RHW 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.527735-36% pentaerythritol propoxylate (5/4 PO/OH), 50 mM sodium citrate pH 5.5, 100 mM potassium chloride, Crystals were obtained after incubation of protein with lipid and detergent for 4 weeks at 4 degC
Crystal Properties
Matthews coefficientSolvent content
4.9275.02

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 453.75α = 90
b = 192.87β = 92.27
c = 196.14γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315Mirrors: bent cylinders, stripes of Pt, Rh and clear2011-11-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C0.9793APS24-ID-C

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
13.258.792.20.1337.261.92256166
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)
13.23.2483.50.6381.431.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE3RHW3.258.71.234251722126777.580.22810.22690.2506Random
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d10.507
f_angle_d0.739
f_chiral_restr0.03
f_bond_d0.003
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms60274
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms544

Software

Software
Software NamePurpose
PHENIXrefinement
ADSCdata collection
HKL-2000data reduction
HKL-2000data scaling
XDSdata reduction
XSCALEdata scaling
PHASERphasing
DMphasing
Cootmodel building