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Structural insights into membrane remodeling by SNX1
Specimen Preparation Sample Aggregation State HELICAL ARRAY Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot for 3.5 seconds with a blot force 2 before plunging
3D Reconstruction Reconstruction Method HELICAL Number of Particles 11795 Reported Resolution (Å) 9 Resolution Method FSC 0.143 CUT-OFF Other Details IHRSR method were used for helical reconstruction and refinement with a range of out of plane tilt considered Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 8.76 Angular Rotation 60.13
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Correlation coefficient Overall B Value Fitting Procedure Details The temperature was kept at 300K, time step was 1 fs, and secondary structure restraints was also included.
Data Acquisition Detector Type FEI FALCON II (4k x 4k) Electron Dose (electrons/Å**2) 25
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) Maximum Defocus (nm) 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 Calibrated Magnification 59000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION SerialEM CTF CORRECTION Gctf 0.50 MODEL FITTING UCSF Chimera 1.11.2 MODEL REFINEMENT NAMD 2.10 INITIAL EULER ASSIGNMENT SPIDER 24.08 FINAL EULER ASSIGNMENT SPIDER 24.08 CLASSIFICATION MATLAB 2013 RECONSTRUCTION IHRSR
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION CTF was multiplied to each micrographs before tubes selection, and finally CTF amplitude correction was performed following 3D reconstruction 476 All the segments were selected manually using e2helixboxer.py of EMAN2