ELECTRON MICROSCOPY


Sample

pre-translocational 70S ribosome complex

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Plunged into liquid ethane (FEI VITROBOT MARK IV)
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 50000
Reported Resolution (Å) 3.6
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
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 REFINEMENT PROTOCOL--FLEXIBLE
Data Acquisition
Detector Type DIRECT ELECTRON DE-12 (4k x 3k)
Electron Dose (electrons/Å2) .
Imaging Experiment
Date of Experiment 2013-08-29
Temprature (Kelvin)
Microscope Model FEI TITAN
Minimum Defocus (nm) 1500
Maximum Defocus (nm) 5000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 0.1
Imaging Mode BRIGHT FIELD
Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification 55000
Calibrated Magnification 58000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING MDFF ?
RECONSTRUCTION RELION ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. CTFFIND3 and CTFIT