ELECTRON MICROSCOPY

Sample

80S ribosome

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK I
Cryogen Name ETHANE
Sample Vitrification Details rapid-freezing in liquid ethane
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 102689
Reported Resolution (Å) 8.9
Resolution Method ?
Other Details SPIDER package
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target Maximization of correlation-coefficient
Overall B Value 15
Fitting Procedure ?
Details METHOD--Real-space refinement using rigid bodies REFINEMENT PROTOCOL--TNT implementation of RSRef
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 25
Imaging Experiment
Date of Experiment 2005-07-07
Temprature (Kelvin)
Microscope Model FEI TECNAI F30
Minimum Defocus (nm) 1400
Maximum Defocus (nm) 4000
Minimum Tilt Angle (degrees) 0
Maximum Tilt Angle (degrees) 0
Nominal CS 2.26
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 39000
Calibrated Magnification 37642
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING RSRef ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. CTF correction of 3D-maps by Wiener filtration