8BHG

GABA-A receptor a5 heteromer - a5V2 - Bretazenil


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP27922% PEG 400 0.37M potassium nitrate 0.1 M 2-(N-morpholino)ethanesulfonic acid (MES) pH 6.5
Crystal Properties
Matthews coefficientSolvent content
2.9858.68

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 81.14α = 90
b = 137.637β = 106.06
c = 113.351γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298PIXELDECTRIS EIGER2 XE 16M2017-08-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I040.9537DiamondI04

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)CC (Half)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
12.3948.5691.20.1840.9910.413.34337141.25
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.392.71.1320.596

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-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE4COF2.3948.561.3743371220591.20.25860.25730.283558.3
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_d11.3685
f_angle_d0.5541
f_chiral_restr0.0401
f_plane_restr0.0035
f_bond_d0.0033
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms13556
Nucleic Acid Atoms
Solvent Atoms14
Heterogen Atoms386

Software

Software
Software NamePurpose
REFMACrefinement
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling
REFMACphasing