6XOX

cryo-EM of human GLP-1R bound to non-peptide agonist LY3502970


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.6093
f_angle_d1.0773
f_chiral_restr0.0644
f_bond_d0.0109
f_plane_restr0.0071
Sample
Cryo-EM structure of the Glucagon-like peptide-1 receptor in complex with G protein and a non-peptide agonist LY3502970
Sample Components
Glucagon-like peptide 1 receptor
Trimeric stimulatory G protein
Nanobody 35
Single-chain variable fragment 16
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles583053
Reported Resolution (Å)3.1
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (5VAI)
Refinement Space
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value72.5
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)81.56
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONRELION3.0
MODEL FITTINGPHENIX1.13
MODEL REFINEMENTPHENIX1.13
RECONSTRUCTIONRELION3.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1598390