ELECTRON MICROSCOPY

Sample

PhuZ filament

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument FEI VITROBOT MARK III
Cryogen Name ETHANE
Sample Vitrification Details Blotted 2 seconds before plunging in liquid ethane (FEI VITROBOT MARK III)
3D Reconstruction
Reconstruction Method HELICAL
Number of Particles 23243
Reported Resolution (Å) 7.1
Resolution Method ?
Other Details A modified version of SPIDER program was used for the reconstruction. Helical symmetry search was performed with hsearch_lorentz.
Refinement Type
Symmetry Type HELICAL
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target cross-correlation
Overall B Value ?
Fitting Procedure ?
Details METHOD--Flexible fitting DETAILS--Flexible fitting applied to C-terminus (residues 273-315)
Data Acquisition
Detector Type TVIPS TEMCAM-F816 (8k x 8k)
Electron Dose (electrons/Å2) 25
Imaging Experiment
Date of Experiment 2011-11-21
Temprature (Kelvin)
Microscope Model FEI TECNAI F20
Minimum Defocus (nm) 700
Maximum Defocus (nm) 2500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.2
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 62000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING Coot ?
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. Whole micrograph
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