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The structure of solubilized octameric pore of actinoporin Fav prepared on POPG, cholesterol, sphingomyelin membranes
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other
Sample Octameric Fav pore in complex with sphingomyelin and cholesterol molecules solubilized by detergents
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 118851 Reported Resolution (Å) 2.86 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C8
Map-Model Fitting and Refinement Id 1 Refinement Space REAL 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) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS GLACIOS Minimum Defocus (nm) 600 Maximum Defocus (nm) 2600 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 150000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC v4 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC v4 MODEL FITTING UCSF ChimeraX 1.6 INITIAL EULER ASSIGNMENT cryoSPARC V4 FINAL EULER ASSIGNMENT cryoSPARC v4 CLASSIFICATION cryoSPARC v4 RECONSTRUCTION cryoSPARC v4 MODEL REFINEMENT Coot 0.98 MODEL REFINEMENT PHENIX 1.19 MODEL REFINEMENT ISOLDE 1.6
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2705265 Number of particles after template picking