ELECTRON MICROSCOPY

Sample

Actin Filament Arp2/3 Complex Branch Junction

Specimen Preperation
Sample Aggregation State CELL
Vitrification Instrument ?
Cryogen Name ETHANE
Sample Vitrification Details Leica GP2, 3,5sec back-blotting, sensor on, 0,1mm movement after contact, manually pre-blotted within the chamber prior to the application of fiducials
3D Reconstruction
Reconstruction Method SUBTOMOGRAM AVERAGING
Number of Particles 14296
Reported Resolution (Å) 9
Resolution Method FSC 0.143 CUT-OFF
Other Details Final reconstruction in RELION was performed after Multiple particle refinement in M version 1.0.9.
Refinement Type
Symmetry Type POINT
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 GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å2) 2.79
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) -1.75
Maximum Defocus (nm) -5.5
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 42000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
VOLUME SELECTION Dynamo 1.133
VOLUME SELECTION Warp 1.07
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION Warp 1.07
MODEL FITTING UCSF Chimera 1.13.1
FINAL EULER ASSIGNMENT RELION 3.0.9
CLASSIFICATION RELION 3.0.9
RECONSTRUCTION RELION 3.0.9
MODEL REFINEMENT ISOLDE 1.0b5
MODEL REFINEMENT Coot 0.8.9.3
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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