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Cryo-EM structure of the proton-sensing GPCR (GPR4)-Gs protein complex at pH 6.5
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.521 f_angle_d 0.582 f_chiral_restr 0.04 f_plane_restr 0.005 f_bond_d 0.003
Sample Cryo-EM structure of the proton-sensing GPCR (GPR4)-Gs protein complex at pH 6.5
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 596409 Reported Resolution (Å) 2.36 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 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 FEI TALOS ARCTICA Minimum Defocus (nm) 5000 Maximum Defocus (nm) 20000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION