8PVB

Structure of GABAAR determined by cryoEM at 100 keV


ELECTRON MICROSCOPY
Sample
Human GABA(A)R-beta3 homopentamer in complex with Megabody-25 in lipid nanodisc
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles23477
Reported Resolution (Å)3.6
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC5
Map-Model Fitting and Refinement
Id1 (7a5v)
Refinement SpaceRECIPROCAL
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeDECTRIS SINGLA (1k x 1k)
Electron Dose (electrons/Å**2)51
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelJEOL 1400/HR + YPS FEG
Minimum Defocus (nm)500
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelGATAN 626 SINGLE TILT LIQUID NITROGEN CRYO TRANSFER HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)100
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL REFINEMENTServalcat0.4.27
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION