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Cryo-EM structure of CB1-G protein complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6N4B
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 11.475 f_angle_d 1.049 f_chiral_restr 0.063 f_bond_d 0.013 f_plane_restr 0.007
Sample CB1-G protein complex
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 505644 Reported Resolution (Å) 3 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6N4B) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value 72.4 Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 1.333
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) -1000 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 IMAGE ACQUISITION SerialEM 3.7.3 CTF CORRECTION Gctf 1.06 MODEL FITTING UCSF Chimera INITIAL EULER ASSIGNMENT RELION 3.03 FINAL EULER ASSIGNMENT RELION 3.03 CLASSIFICATION RELION 3.03 RECONSTRUCTION RELION 3.03 MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2186340