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Structure of the human homo-hexameric LRRC8A channel at 4.25 Angstroms
Sample Hexameric channel of LRC8A_HUMAN
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Blotted for 12 seconds before plunging.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 164749 Reported Resolution (Å) 4.25 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C3
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 500 Maximum Defocus (nm) 3500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model OTHER Nominal Magnification 23500 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details Specimen holder is FEI Talos Arctica autogrid holder.
EM Software Task Software Package Version PARTICLE SELECTION RELION 2.1 IMAGE ACQUISITION SerialEM CTF CORRECTION CTFFIND 4.1 MODEL FITTING Coot MODEL REFINEMENT PHENIX FINAL EULER ASSIGNMENT RELION 2.1 CLASSIFICATION RELION 2.1 RECONSTRUCTION RELION 2.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION