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Cryo-EM structure of human galanin receptor 2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7EZM
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.334 f_angle_d 0.502 f_chiral_restr 0.041 f_plane_restr 0.004 f_bond_d 0.003
Sample Human galanin receptor 2 complex with Gq heterotrimer Sample Components Human galanin receptor 2 scFv16 Galanin
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 479312 Reported Resolution (Å) 3.11 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (7EZM) Refinement Space REAL Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 53.17
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2000 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 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version CTF CORRECTION cryoSPARC 3.3.1 MODEL FITTING Coot 0.9.5 MODEL REFINEMENT PHENIX 1.19.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE 2666499