ELECTRON MICROSCOPY

Sample

Type III secretion injectisome basal body

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 67800
Reported Resolution (Å) 4.3
Resolution Method FSC 0.143 CUT-OFF
Other Details Limited frequency refinement in Frealign
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details Initial fitting was carried out with Chimera, followed by rebuilding and refinement in Rosetta, Phenix, and Coot.
Data Acquisition
Detector Type GATAN K2 QUANTUM (4k x 4k)
Electron Dose (electrons/Å2) 1.3
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1500
Maximum Defocus (nm) 3000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 0.01
Imaging Mode BRIGHT FIELD
Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification 64000
Calibrated Magnification 29240
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION EMAN2 ?
PARTICLE SELECTION RELION ?
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION CTFFIND ?
INITIAL EULER ASSIGNMENT RELION ?
INITIAL EULER ASSIGNMENT FREALIGN ?
FINAL EULER ASSIGNMENT FREALIGN ?
RECONSTRUCTION FREALIGN ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?