ELECTRON MICROSCOPY Experimental Data



EM Sample
Sample Vitrification Details Blotted for 4 seconds at blot force 10.
Sample Aggregation State HELICAL ARRAY
Sample Reconstruction Method HELICAL
Name of Sample Acetylated Microtubule
EM Data Acquisition
Date of Experiment --
Temperature (Kelvin) --
Microscope Model FEI TITAN KRIOS
Detector Type GATAN K2 SUMMIT (4k x 4k)
Minimum Defocus (nm) 1500.0
Maximum Defocus (nm) 2500.0
Minimum Tilt Angle (degrees) --
Maximum Tilt Angle (degrees) --
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Electron Dose (electrons per Å**-2) 25.0
Illumination Mode FLOOD BEAM
Nominal Magnification 22500
Calibrated Magnification 23364
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details Preliminary grid screening was performed manually and all of the alignments were initially done using a gold calibration grid.
3D Reconstruction
Software Package(s) FREALIGN
Reconstruction Method(s) --
EM Image Reconstruction Statistics
Number of Particles 18432
Other Details --
Effective Resolution 3.7
EM Map-Model Fitting and Refinement
Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Fitting Software
REAL BACKBONE TRACE 0.5 126.0 -- --