4F11

Crystal structure of the extracellular domain of human GABA(B) receptor GBR2


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.529318% PEG MME 550, 20% glycerol, 2mM zinc sulfate, 0.1M sodium cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.4264.07

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 153.212α = 90
b = 92.716β = 102.75
c = 48.558γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152008-04-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C1.0715APS24-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
12.385096.30.04927.43.52522325223
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)
12.382.4975.60.4112.41963

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONSIRASTHROUGHOUT2.3844.712521525215127495.170.20170.20170.20090.2171RANDOM69.057
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]
0.08-1.612.75-3.54
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg28.898
r_dihedral_angle_3_deg14.479
r_dihedral_angle_4_deg11.685
r_scangle_it4.328
r_dihedral_angle_1_deg4.057
r_scbond_it2.7
r_mcangle_it2.678
r_mcbond_it1.404
r_angle_refined_deg0.952
r_chiral_restr0.07
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg28.898
r_dihedral_angle_3_deg14.479
r_dihedral_angle_4_deg11.685
r_scangle_it4.328
r_dihedral_angle_1_deg4.057
r_scbond_it2.7
r_mcangle_it2.678
r_mcbond_it1.404
r_angle_refined_deg0.952
r_chiral_restr0.07
r_bond_refined_d0.007
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3336
Nucleic Acid Atoms
Solvent Atoms142
Heterogen Atoms

Software

Software
Software NamePurpose
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
SHELXSphasing