ELECTRON MICROSCOPY

Sample

E.COLI 70S RIBOSOME

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 73523
Reported Resolution (Å) 11.5
Resolution Method ?
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space RECIPROCAL
Refinement Protocol RIGID BODY FIT
Refinement Target VECTOR R-FACTOR
Overall B Value ?
Fitting Procedure ?
Details REFINEMENT PROTOCOL--RIGID BODY REFINEMENT DETAILS--ALL COMPONENTS WERE FIT INTO MAP AS RIGID BODIES USING COORDINATES FROM THE REFERRED SOURCES EXCEPT FOR L1, FOR WHICH ABOUT 15-DEGREE ROTATION WAS INTRODUCED BETWEEN THE TWO DOMAINS; FITTING OF PROTEIN S17 IS RELATIVELY UNCERTAIN; CONFORMATIONAL CHANGES OF ANTICODON AND ACCEPTOR REGIONS OF TRNAFMET UPON BINDING TO THE RIBOSOME WERE NOT MODELED.
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 10
Imaging Experiment
Date of Experiment 1997-01-01
Temprature (Kelvin)
Microscope Model FEI/PHILIPS CM200FEG/ST
Minimum Defocus (nm) 730.
Maximum Defocus (nm) 4340.
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS ?
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 50000
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