ELECTRON MICROSCOPY

Sample

INSECT FIBRILLAR FLIGHT MUSCLE

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name HELIUM
Sample Vitrification Details SMASH AGAINST A LIQUID HELIUM COOLED GOLD COATED COPPER MIRROR
3D Reconstruction
Reconstruction Method HELICAL
Number of Particles ?
Reported Resolution (Å) ?
Resolution Method FSC 0.5 CUT-OFF
Other Details NOTE THAT OUR LOWEST RESOLUTION DATA IS AT INVERSE 1 MICRON. NUMBER OF FOURIER COEFFICIENTS IS ALMOST A HALF MILLION. THESE COORDINATES WERE FIT TO AVERAGED SUBVOLUMES OBTAINED FROM A DUAL AXIS TOMOGRAM. THE ACTIN FILAMENT WAS GENERATED TO HAVE THE HELICAL SYMMETRY OF 28 SUBUNITS IN 13 TURNS OF THE 5.9 NM HELIX. THE FITTING WAS DONE MANUALLY USING THE CRYSTALLOGRAPHIC MODEL FITTING PROGRAM O.
Refinement Type
Symmetry Type HELICAL
Map-Model Fitting and Refinement
ID
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector Type TVIPS TEMCAM-F224 (2k x 2k)
Electron Dose (electrons/Å2) ?
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI/PHILIPS CM300FEG/T
Minimum Defocus (nm) ?
Maximum Defocus (nm) ?
Minimum Tilt Angle (degrees) -72
Maximum Tilt Angle (degrees) 72
Nominal CS 2.0
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details NONE
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details