ELECTRON MICROSCOPY

Sample

T. acidophilum 20S proteasome

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK I
Cryogen Name NITROGEN
Sample Vitrification Details VITROBOT
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 41546
Reported Resolution (Å) 6.800
Resolution Method ?
Other Details GENERATED BY DOCKING THE ATOMIC STRUCTURE OF T. ACIDOPHILUM 20S (1PMA) INTO SINGLE PARTICLE CRYOEM 3D RECONSTRUCTION. TOGETHER WITH THE OPEN GATE (3C91), IT SHOWS THE CONFORMATIONAL CHANGE BETWEEN CLOSED AND OPEN GATE.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target CROSS CORRELATION
Overall B Value ?
Fitting Procedure ?
Details METHOD--USING PROGRAM MAVE IN UPPSALA SOFTWARE FACTOR REFINEMENT PROTOCOL--RIGID BODY FITTING
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 20
Imaging Experiment
Date of Experiment 2005-12-01
Temprature (Kelvin)
Microscope Model FEI TECNAI F20
Minimum Defocus (nm) -1500.00
Maximum Defocus (nm) -3500.00
Minimum Tilt Angle (degrees) 0.00
Maximum Tilt Angle (degrees) 0.00
Nominal CS 2.00
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 50000
Calibrated Magnification 51159
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details LOW DOSE IMAGING
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. PHASE AND AMPLITUDE