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Cryo-EM structure of human Arp2/3 complex with bound NPFs
Specimen Preparation
Sample Aggregation State
PARTICLE
Vitrification Instrument
LEICA EM CPC
Cryogen Name
ETHANE
Sample Vitrification Details
Grids manually blotted for 3 seconds with Whatman 41 filter paper and manually plunged on Leica EM CPC manual plunger.
3D Reconstruction
Reconstruction Method
SINGLE PARTICLE
Number of Particles
123198
Reported Resolution (Å)
3.9
Resolution Method
FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type
POINT
Point Symmetry
C1
Map-Model Fitting and Refinement
Id
1 (4JD2)
Refinement Space
REAL
Refinement Protocol
FLEXIBLE FIT
Refinement Target
correlation
Overall B Value
132
Fitting Procedure
Details
Data Acquisition
Detector Type
GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)
40
Imaging Experiment
1
Date of Experiment
Temperature (Kelvin)
Microscope Model
FEI TITAN KRIOS
Minimum Defocus (nm)
-1500
Maximum Defocus (nm)
-3500
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
165000
Calibrated Magnification
Source
FIELD EMISSION GUN
Acceleration Voltage (kV)
300
Imaging Details
Data collected in super resolution mode. Illuminated area of 1.01um. Nominal Dose of 40a/A^2 and a dose rate of 4.87 e-/s/pixel. 2 or 5 exposures per hole by image shift.