8VHF

Cryo-EM structure of GPR119-Gs-Nb35 complex with small molecule agonist MBX-2982


ELECTRON MICROSCOPY

Starting Model(s)

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

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.666
f_angle_d0.786
f_chiral_restr0.045
f_bond_d0.004
f_plane_restr0.004
Sample
The complex of GPR119-Gs-Nb35 (composite map)
Sample Components
Glucose-dependent insulinotropic receptor
G-protein complex
Nanobody35
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles57653
Reported Resolution (Å)3.51
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (7WCM)
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS GLACIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification150000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
RECONSTRUCTIONcryoSPARC4.3.1
MODEL REFINEMENTPHENIX1.21rc1_5156:
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE