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Electron cryo-microscopy structure of the canonical TRPC4 ion channel
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5VKQ experimental model PDB 3J5Q
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK III Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 132622 Reported Resolution (Å) 3.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C4
Map-Model Fitting and Refinement Id 1 (5VKQ, 3J5Q) Refinement Space REAL Refinement Protocol OTHER Refinement Target Real-space correlation Overall B Value 90.04 Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 70
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1200 Maximum Defocus (nm) 2400 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 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 EPU 1.8 CTF CORRECTION SPHIRE 1.0 MODEL FITTING UCSF Chimera 1.12 MODEL FITTING Rosetta INITIAL EULER ASSIGNMENT SPHIRE 1.0 FINAL EULER ASSIGNMENT SPHIRE 1.0 CLASSIFICATION SPHIRE 1.0 RECONSTRUCTION SPHIRE 1.0 MODEL REFINEMENT PHENIX 1.13 MODEL FITTING Coot 0.8.8
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 426377