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Structure of mechanically activated ion channel OSCA1.2 in peptidiscs
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6MGV
Sample OSCA1.2 in peptidisc Sample Components OSCA1.2 peptidisc peptide
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 52250 Reported Resolution (Å) 2.8 Resolution Method FSC 0.143 CUT-OFF Other Details SIDESPLITTER was used for reconstruction step Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 (6MGV) Refinement Space REAL Refinement Protocol RIGID BODY FIT 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 TITAN KRIOS Minimum Defocus (nm) 600 Maximum Defocus (nm) 1400 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 29000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION Leginon CTF CORRECTION Gctf 1.06 MODEL FITTING Coot 0.9 INITIAL EULER ASSIGNMENT cryoSPARC 2 FINAL EULER ASSIGNMENT RELION 3.1 CLASSIFICATION RELION 3.1 RECONSTRUCTION RELION 3.1 MODEL REFINEMENT Coot 0.9 MODEL REFINEMENT PHENIX 1.18.2-3874 MODEL REFINEMENT Rosetta 3.10
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1046049