ELECTRON MICROSCOPY

Sample

Complex consisting of Arp2/3 complex-mediated branched actin junction

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 127093
Reported Resolution (Å) 3.9
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
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 FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å2) 41.97
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TALOS ARCTICA
Minimum Defocus (nm) 800
Maximum Defocus (nm) 1200
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 92000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details Data were collected by shifting of stage to targeted exposure position. Stage was tilted to different angles: including 40 degree, 36 degree, 30 degree, 25 degree, 15 degree, 0 degree, -20 degree, and -33 degree during data collection.
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC version 2
IMAGE ACQUISITION EPU 2.1
CTF CORRECTION cryoSPARC version 2
MODEL FITTING NAMD ?
MODEL FITTING Coot ?
MODEL FITTING UCSF Chimera ?
FINAL EULER ASSIGNMENT cryoSPARC Version 2
RECONSTRUCTION cryoSPARC version 2
MODEL REFINEMENT PHENIX ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION Particles were CTF-corrected during projection matching and back projection