4COF

Crystal structure of a human gamma-aminobutyric acid receptor, the GABA(A)R-beta3 homopentamer


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3RHWPDB ENTRY 3RHW

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16.511.5% PEG4000 100 MM SODIUM CHLORIDE, 100 MM LITHIUM SULPHATE, 100 MM N-2-ACETAMIDO-IMINODIACETIC ACID, PH 6.5, 2% (W/V) BENZAMIDINE
Crystal Properties
Matthews coefficientSolvent content
4.5974

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 174.1α = 90
b = 108.9β = 107.43
c = 207.44γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2013-06-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I03DiamondI03

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
12.979999.80.0813.56.876360283.39
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)
12.973.0599.80.8327.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 3RHW2.974076328383599.760.20640.20530.2259RANDOM102.12
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]
-10.645217.9062-24.16534.8102
RMS Deviations
KeyRefinement Restraint Deviation
t_omega_torsion3.27
t_other_torsion3.16
t_angle_deg1.06
t_bond_d0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
RMS Deviations
KeyRefinement Restraint Deviation
t_omega_torsion3.27
t_other_torsion3.16
t_angle_deg1.06
t_bond_d0.01
t_dihedral_angle_d
t_incorr_chiral_ct
t_pseud_angle
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms13643
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms329

Software

Software
Software NamePurpose
BUSTERrefinement
XDSdata reduction
SCALAdata scaling
PHASERphasing