ELECTRON MICROSCOPY


Sample

type III secretion needle

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument FEI VITROBOT MARK I
Cryogen Name ETHANE
Sample Vitrification Details Blot for 3.5 seconds before plunging into liquid ethane (Vitrobot).
3D Reconstruction
Reconstruction Method HELICAL
Number of Particles ?
Reported Resolution (Å) 7.7
Resolution Method ?
Other Details ?
Refinement Type
Symmetry Type HELICAL
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol ?
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type TVIPS TEMCAM-F415 (4k x 4k)
Electron Dose (electrons/Å2) 20
Imaging Experiment
Date of Experiment 2008-07-02
Temprature (Kelvin)
Microscope Model JEOL 3200FSC
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 2000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 1.6
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 50000
Calibrated Magnification 89285
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. CTFFIND3 Each particle