ELECTRON MICROSCOPY

Sample

Pyrococcus furiosus 70S ribosome

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK I
Cryogen Name ETHANE
Sample Vitrification Details Blot for 10 seconds before plunging into liquid ethane, using 2 layers of filter paper (FEI VITROBOT)
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 10000
Reported Resolution (Å) 6.6
Resolution Method FSC 0.5 CUT-OFF
Other Details sorting for ribosome conformation and ligand presence was performed
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector Type TVIPS TEMCAM-F416 (4k x 4k)
Electron Dose (electrons/Å2) 25
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1200
Maximum Defocus (nm) 3600
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 75000
Calibrated Magnification ?
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
. Wiener Filter