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A high-resolution cryo-electron microscopy structure of a calcitonin receptor-heterotrimeric Gs protein complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5UZ7
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 3.8697 f_angle_d 0.9808 f_chiral_restr 0.0642 f_bond_d 0.0083 f_plane_restr 0.0065
Sample Complex of a full-length, active-state calcitonin receptor with peptide ligand, heterotrimeric Gs protein and nanobody 35
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 417949 Reported Resolution (Å) 3.34 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (5UZ7) Refinement Space REAL Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification 47170 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION CTF CORRECTION Gctf MODEL FITTING Coot 0.8.9.1 INITIAL EULER ASSIGNMENT RELION FINAL EULER ASSIGNMENT RELION RECONSTRUCTION RELION MODEL REFINEMENT PHENIX 1.14-3260
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE Phase Plate CTF correction 1445614