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Cryo-EM structure of the adenosine A2A receptor bound to a miniGs heterotrimer
Sample Adenosine A2A receptor bound to miniGs heterotrimer Sample Components Adenosine receptor A2a miniGs heterotrimer nanobody Nb35
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 128002 Reported Resolution (Å) 4.11 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space RECIPROCAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 30
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 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 2.1 IMAGE ACQUISITION EPU CTF CORRECTION Gctf v0.1.06 MODEL FITTING Coot INITIAL EULER ASSIGNMENT RELION 2.1 FINAL EULER ASSIGNMENT RELION 2.1 CLASSIFICATION RELION 2.1 RECONSTRUCTION RELION MODEL REFINEMENT REFMAC 5
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION