1TT1

CRYSTAL STRUCTURE OF THE GLUR6 LIGAND BINDING CORE IN COMPLEX WITH KAINATE 1.93 A RESOLUTION


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1S7YPDB ENTRY 1S7Y

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1streak seeding429718% PEG 3350, 25 mM Citrate, 2 mM Malonate, 20 mM NaCl, 1 mM EDTA, 10 mM BME, pH 4.0, streak seeding, temperature 297K
Crystal Properties
Matthews coefficientSolvent content
2.448.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 46.682α = 90
b = 106.228β = 101.38
c = 57.665γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCHmirrors2004-06-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-0021.5418

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
11.9324.9599.30.07410.63.841434410472116.6
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)
1.93292.80.3494.073.53835

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)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 1S7Y1.9324.954104741047205499.20.19070.1890.1890.216RANDOM18.7
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]
6.12-0.68-3.23-2.88
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.4
c_angle_deg1.3
c_improper_angle_d0.91
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4026
Nucleic Acid Atoms
Solvent Atoms420
Heterogen Atoms30

Software

Software
Software NamePurpose
CNSrefinement
HKL-2000data reduction
SCALEPACKdata scaling
AMoREphasing