ELECTRON MICROSCOPY

Sample

Complex consisting of actin-filament nucleator, Arp2/3 complex associated with nucleation promoting factor Dip1 and first four actin subunits from the pointed end of the nucleated actin-filament

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 110433
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) 36.35
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TALOS ARCTICA
Minimum Defocus (nm) -1000
Maximum Defocus (nm) -1750
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 stage shifting to targeted exposure positions.
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION RELION 3.0.6
IMAGE ACQUISITION EPU 2.1
CTF CORRECTION Gctf 1.06
MODEL FITTING NAMD ?
MODEL FITTING Coot ?
MODEL FITTING UCSF Chimera ?
FINAL EULER ASSIGNMENT RELION 3.0.6
CLASSIFICATION RELION 3.0.6
RECONSTRUCTION RELION 3.0.6
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.