ELECTRON MICROSCOPY

Sample

F-actin/tropomyosin

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details 3 second blot before plunging into liquid ethane (FEI Vitrobot Mark IV)
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 224337
Reported Resolution (Å) 8
Resolution Method FSC 0.5 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type HELICAL
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target Cross correlation
Overall B Value ?
Fitting Procedure ?
Details REFINEMENT PROTOCOL--RIGID BODY DETAILS--The F-actin and tropomyosin were fitted separately.
Data Acquisition
Detector Type GATAN ULTRASCAN 4000 (4k x 4k)
Electron Dose (electrons/Å2) 30
Imaging Experiment
Date of Experiment 2010-03-02
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1500
Maximum Defocus (nm) 4000
Minimum Tilt Angle (degrees) 0
Maximum Tilt Angle (degrees) 0
Nominal CS 2.0
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 59000
Calibrated Magnification 101555
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION EMAN ?
RECONSTRUCTION MATLAB ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. individual images
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