ELECTRON MICROSCOPY

Sample

Vibrio cholerae VipA/VipB sheath in a contracted state

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Plunged into liquid ethane (FEI VITROBOT MARK IV)
3D Reconstruction
Reconstruction Method HELICAL
Number of Particles 96000
Reported Resolution (Å) 3.5
Resolution Method ?
Other Details ?
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 GATAN K2 (4k x 4k)
Electron Dose (electrons/Å2) 30
Imaging Experiment
Date of Experiment 2013-11-15
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 400
Maximum Defocus (nm) 2000
Minimum Tilt Angle (degrees) -5.0
Maximum Tilt Angle (degrees) 5.0
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification 29000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
CTF CORRECTION CTFFIND ?
PARTICLE SELECTION Helixboxer ?
RECONSTRUCTION IHRSR ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. Phase Flip, CTF detection by CTFFIND