ELECTRON MICROSCOPY Experimental Data



EM Sample
Sample pH 7.5
Sample Aggregation State PARTICLE
Name of Sample immature ribosomal small subunit from rimm gene deleted E.coli strain
EM Data Acquisition
Date of Experiment 01-JAN-2012
Num of Micrographs-Images Used --
Temperature (Kelvin) --
Microscope Model FEI TECNAI F20
Detector Type 4K*4K CCD Gatan 4000
Minimum Defocus (nm) 1300.0
Maximum Defocus (nm) 4000.0
Minimum Tilt Angle (degrees) 0.0
Maximum Tilt Angle (degrees) 0.0
Nominal CS --
Imaging Mode BRIGHT FIELD
Electron Dose (electrons nm**-2) 20.0
Illumination Mode FLOOD BEAM
Nominal Magnification 80000
Calibrated Magnification --
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details --
3D Reconstruction
Software Package(s) Spider
Reconstruction Method Reference Projections
EM Image Reconstruction Statistics
Effective Resolution 13.6
CTF Correction Method Weiner filter
Other Details This is a classification volume (No. 4) using ML3D methods. )
EM Map-Model Fitting and Refinement
Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Fitting Software
REAL Initial local fitting was done using Chimera and then MDFF was used for flexible fitting Cross-correlation -- -- MDFF