9BKJ

Cholecystokinin 1 receptor (CCK1R) Y140A mutant, Gq chimera (mGsqi) complex


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7MBY 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d7.533
f_angle_d1.043
f_chiral_restr0.056
f_plane_restr0.007
f_bond_d0.006
Sample
Complex of CCK1R (Y140A mutant) bound to miniGs (Gq, Gi chimera), G-beta1, G-gamma-2 and CCK8s.
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles279231
Reported Resolution (Å)2.59
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (7MBY)
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)1200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcrYOLO1.7.6
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4.1.4
INITIAL EULER ASSIGNMENTcryoSPARC4.1.2
FINAL EULER ASSIGNMENTcryoSPARC4.1.2
RECONSTRUCTIONcryoSPARC4.1.2
MODEL REFINEMENTPHENIX1.19
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION3580372