3FAT

X-ray structure of iGluR4 flip ligand-binding core (S1S2) in complex with (S)-AMPA at 1.90A resolution


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3FASPDB ENTRY 3FAS

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.5280PEG 4000, Acetate, (NH4)2SO4, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 280K
Crystal Properties
Matthews coefficientSolvent content
3.2662.23

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 105.175α = 90
b = 169.531β = 120.58
c = 73.883γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDMAR CCD 165 mm2007-09-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMAX II BEAMLINE I911-21.0412MAX III911-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
11.984.81999.80.0750.07512.43.78719621.2
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.921000.3760.3763.73.712725

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 REPLACEMENTTHROUGHOUTPDB ENTRY 3FAS1.932.6441.368719587195437199.850.1770.1770.1750.216random28.329
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]
-3.396-1.452-3.4866.882
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.727
f_angle_d0.884
f_chiral_restr0.063
f_bond_d0.005
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6083
Nucleic Acid Atoms
Solvent Atoms630
Heterogen Atoms152

Software

Software
Software NamePurpose
SCALAdata scaling
PHASERphasing
PHENIXrefinement
PDB_EXTRACTdata extraction
MAR345dtbdata collection
MOSFLMdata reduction