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Cryo-EM structure of GPR119-Gs-Nb35 complex with small molecule agonist MBX-2982
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7WCM
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.666 f_angle_d 0.786 f_chiral_restr 0.045 f_bond_d 0.004 f_plane_restr 0.004
Sample The complex of GPR119-Gs-Nb35 (composite map) Sample Components Glucose-dependent insulinotropic receptor G-protein complex Nanobody35
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 57653 Reported Resolution (Å) 3.51 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (7WCM) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS GLACIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2400 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 150000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version RECONSTRUCTION cryoSPARC 4.3.1 MODEL REFINEMENT PHENIX 1.21rc1_5156:
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE