ELECTRON MICROSCOPY

Sample

E.COLI 70S RIBOSOME - RF2 complex

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details RAPID-FREEZING IN LIQUID Ethane
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 24622
Reported Resolution (Å) 12.8
Resolution Method FSC 0.5 CUT-OFF
Other Details Coordinates contain CA atoms only. ALl the image processing was done in SPIDER. 0.5 cutoff of FSC
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol OTHER
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details METHOD--Manual
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 20
Imaging Experiment
Date of Experiment 2002-12-01
Temprature (Kelvin)
Microscope Model FEI TECNAI F20
Minimum Defocus (nm) 2000
Maximum Defocus (nm) 4000
Minimum Tilt Angle (degrees) 0
Maximum Tilt Angle (degrees) 0
Nominal CS 2
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 50000
Calibrated Magnification 49696
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING O ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. CTF CORRECTION OF 3D-MAPS