9EQG | pdb_00009eqg

CryoEM structure of human full-length alpha1beta3gamma2L GABA(A)R in complex with GABA and puerarin


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6HUP 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d11.533
f_angle_d0.732
f_chiral_restr0.092
f_plane_restr0.004
f_bond_d0.003
Sample
CryoEM structure of human full-length alpha1beta3gamma2L GABA(A)R in complex with GABA and puerarin
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles122065
Reported Resolution (Å)2.4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (6HUP)
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement TargetFSC at 0.5
Overall B Value10
Fitting Procedure
DetailsReal space refinement with ADP correction.
Data Acquisition
Detector TypeTFS FALCON 4i (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification96000
Calibrated Magnification96000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONWarp1.0.9
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4.1
MODEL FITTINGPHENIX1.19.2
MODEL REFINEMENTPHENIX1.19.2
INITIAL EULER ASSIGNMENTcryoSPARC4.40
FINAL EULER ASSIGNMENTcryoSPARC4.40
RECONSTRUCTIONcryoSPARC4.40
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1932720