ELECTRON MICROSCOPY Experimental Data



EM Sample
Sample Vitrification Details high pressure frozen and freezing substituted with 1% OsO4/0.1% Ur-Ac. in acetone, LX-112 resin embeded sample. 50nm thin section
Sample Aggregation State TISSUE
Sample Reconstruction Method TOMOGRAPHY
Name of Sample SKIN
EM Data Acquisition
Date of Experiment 2002-11-23
Temperature (Kelvin) 295.0
Microscope Model FEI/PHILIPS CM200FEG
Detector Type GENERIC GATAN
Minimum Defocus (nm) 300.0
Maximum Defocus (nm) 500.0
Minimum Tilt Angle (degrees) -78.0
Maximum Tilt Angle (degrees) 79.0
Nominal CS 2.0
Imaging Mode BRIGHT FIELD
Electron Dose (electrons per Å**-2) 1200.0
Illumination Mode FLOOD BEAM
Nominal Magnification 50000
Calibrated Magnification 68276
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details Dose is for whole dataset, not individual images
3D Reconstruction
Software Package(s) IMOD
Reconstruction Method(s) --
EM Image Reconstruction Statistics
Number of Particles --
Other Details sectioned sample thickness 47.2 nm, +/- 75 degree dual-axis tilt-series with increment 1 degree;dual-axis electron tomography with IMOD. 1.169nm alignment error
Effective Resolution 30.0
EM Map-Model Fitting and Refinement
Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Fitting Software
REAL RIGID BODY FIT best visual fit using the program AmiraMOL 3.0 -- -- --