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CryoEM structure of Nav1.7 VSD2 (actived state) in complex with the gating modifier toxin ProTx2
Sample Nav1.7 VSD2 in complex with ProTx2 and an anti-Nav Fab
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Apply 3 uL, blot 2.5s. Ted Pella 595 filter paper.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 187192 Reported Resolution (Å) 3.6 Resolution Method FSC 0.143 CUT-OFF Other Details Spatial frequencies higher than 8 Angstroms were not used during refinement. Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 41
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2500 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 165000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cisTEM 1.0.0 IMAGE ACQUISITION SerialEM CTF CORRECTION cisTEM 1.0.0 INITIAL EULER ASSIGNMENT cisTEM 1.0.0 FINAL EULER ASSIGNMENT cisTEM 1.0.0 CLASSIFICATION cisTEM 1.0.0 RECONSTRUCTION cisTEM 1.0.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION