6DDE

Mu Opioid Receptor-Gi Protein Complex


ELECTRON MICROSCOPY
Sample
Ternary complex of DAMGO-activated Mu-type opioid receptor with heterotrimeric Gi, further stabilized by addition of Scfv-16
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblot 1 second before plunging
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles359406
Reported Resolution (Å)3.5
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement TargetCorrelation and Geometry
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)37
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification48076
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION2.1
CTF CORRECTIONGctf1.06
MODEL FITTINGUCSF Chimera1.12
INITIAL EULER ASSIGNMENTRELION2.1
FINAL EULER ASSIGNMENTFREALIGN
MODEL REFINEMENTPHENIX1.13
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLY