6UO8

Human metabotropic GABA(B) receptor bound to agonist SKF97541 and positive allosteric modulator GS39783


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.09
f_angle_d0.713
f_chiral_restr0.0506
f_plane_restr0.0058
f_bond_d0.0036
Sample
GABA(B) receptor bound to agonist and PAM
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles89001
Reported Resolution (Å)3.63
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (4MS3, 4OR2)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)1.2
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)-1500
Maximum Defocus (nm)-3000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification29000
Calibrated Magnification29000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC2.12.14
IMAGE ACQUISITIONSerialEM3.6
CTF CORRECTIONcryoSPARC2.12.14
MODEL FITTINGPHENIX1.17.1-3660
MODEL REFINEMENTPHENIX1.17.1-3660
INITIAL EULER ASSIGNMENTcryoSPARC2.12.14
FINAL EULER ASSIGNMENTcryoSPARC2.12.14
CLASSIFICATIONcryoSPARC2.12.14
RECONSTRUCTIONcryoSPARC2.12.14
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION4173286