4DLD

Crystal structure of the GluK1 ligand-binding domain (S1S2) in complex with the antagonist (S)-2-amino-3-(2-(2-carboxyethyl)-5-chloro-4-nitrophenyl)propionic acid at 2.0 A resolution


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2PBW2PBW chain A

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.527917 % PEG4000, 0.1M cacodylic acid, 0.3M lithium sulfate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 279K
Crystal Properties
Matthews coefficientSolvent content
2.4249.26

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 69.32α = 90
b = 69.32β = 90
c = 234.97γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2010-03-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMAX II BEAMLINE I911-21.0380MAX III911-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
1225.87799.90.08167.9398133981321.09
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Rrim I (All)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.111000.3180.3180.340.1191.885696

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 REPLACEMENTTHROUGHOUT2PBW chain A225.8771.3539768199799.830.18940.18640.246Random24.6097
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]
2.0192.019-4.038
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.384
f_angle_d1.035
f_chiral_restr0.069
f_bond_d0.007
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4058
Nucleic Acid Atoms
Solvent Atoms501
Heterogen Atoms54

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing
PHENIXrefinement
PDB_EXTRACTdata extraction