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Cryo-EM structure of voltage-gated sodium channel NavAb N49K/L109A/M116V/G94C/Q150C disulfide crosslinked mutant in the resting state
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3RVY
Sample Fusion of maltose-binding protein and voltage-gated sodium channel NavAb in the resting state
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument HOMEMADE PLUNGER Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 333899 Reported Resolution (Å) 4 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C4
Map-Model Fitting and Refinement Id 1 (3RVY) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 500 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 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.0 beta IMAGE ACQUISITION Leginon 3.3 CTF CORRECTION Gctf MODEL FITTING Coot 0.8.9.1 MODEL REFINEMENT PHENIX 1.14-3260 INITIAL EULER ASSIGNMENT RELION 3.0 beta FINAL EULER ASSIGNMENT cisTEM 1.0.0-beta CLASSIFICATION RELION 3.0 beta RECONSTRUCTION cisTEM 1.0.0-beta
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 476000 Auto-particle picking using RELION 3.0 beta and manual particle removals of bad particles.