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Structure of NavAb/Nav1.7-VS2A chimera trapped in the resting state by tarantula toxin m3-Huwentoxin-IV
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6N4I
Sample Complex of NavAb/Nav1.7-VS2A chimera and m3-Huwentoxin-IV Sample Components NavAb/Nav1.7-VS2A chimera m3-Huwentoxin-IV
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Blot for 2.5-4.0 seconds before plunging
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 501310 Reported Resolution (Å) 3.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C4
Map-Model Fitting and Refinement Id 1 (6N4I) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Correlation coefficient 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 Preliminary grid screening was performed manually.
EM Software Task Software Package Version IMAGE ACQUISITION Leginon 3.4 CTF CORRECTION Gctf MODEL FITTING UCSF Chimera 1.11.2 INITIAL EULER ASSIGNMENT RELION 3.0 FINAL EULER ASSIGNMENT cisTEM 1.0.0-beta CLASSIFICATION RELION 3.0 RECONSTRUCTION cisTEM 1.0.0-beta MODEL REFINEMENT PHENIX 1.14-3260
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1470000