ELECTRON MICROSCOPY

Sample

MAVS CARD filament

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument FEI VITROBOT MARK III
Cryogen Name ETHANE
Sample Vitrification Details Plunged into liquid ethane (FEI VITROBOT MARK III)
3D Reconstruction
Reconstruction Method HELICAL
Number of Particles ?
Reported Resolution (Å) 9.6
Resolution Method FSC 0.5 CUT-OFF
Other Details Final data were calculated from three separate datasets from three sessions of data collection. The handedness of the map was determined by cryo-electron tomography (Helical Details: IHRSR).
Refinement Type
Symmetry Type HELICAL
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details REFINEMENT PROTOCOL--rigid body DETAILS--The docking of one X-ray model into a segmented map corresponding to one subunit was first done manually in Chimera, and then optimized using SITUS.
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 20
Imaging Experiment
Date of Experiment 2011-10-20
Temprature (Kelvin)
Microscope Model JEOL 2200FS
Minimum Defocus (nm) 800
Maximum Defocus (nm) 2000
Minimum Tilt Angle (degrees) 0.0
Maximum Tilt Angle (degrees) 0.0
Nominal CS 2.0
Imaging Mode BRIGHT FIELD
Specimen Holder Model GATAN LIQUID NITROGEN
Nominal Magnification 60000
Calibrated Magnification 61950
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING Situs ?
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION EMAN ?
RECONSTRUCTION IMAGIC 4D
RECONSTRUCTION MRC ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. Each filament segment