ELECTRON MICROSCOPY

Sample

CORE OF MAMMALIAN 80S PRE-RIBOSOME IN COMPLEX WITH TRNAS

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK I
Cryogen Name ETHANE
Sample Vitrification Details Ethane / Vitrobot (FEI) flash-frozen in liquid ethane
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 30448
Reported Resolution (Å) 9.8
Resolution Method ?
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details METHOD--rigid body REFINEMENT PROTOCOL--rigid body DETAILS--40S
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 20
Imaging Experiment
Date of Experiment 2006-10-17
Temprature (Kelvin)
Microscope Model FEI POLARA 300
Minimum Defocus (nm) 2000
Maximum Defocus (nm) 4000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.0
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 39000
Calibrated Magnification 65520
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. CTF CORRECTION OF EACH DEFOCUS GROUP VOLUME PRIOR TO BACK PROJECTION