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CryoEM structure of GIRK2PIP2* - G protein-gated inwardly rectifying potassium channel GIRK2 with PIP2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3SYA
Sample G protein-gated inwardly rectifying potassium channel (GIRK2)
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 154071 Reported Resolution (Å) 3.2 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C4
Map-Model Fitting and Refinement Id 1 (3SYA) Refinement Space Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 83
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2200 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 IMAGE ACQUISITION SerialEM CTF CORRECTION CTFFIND MODEL FITTING UCSF Chimera MODEL FITTING Coot RECONSTRUCTION RELION MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2058148