ELECTRON MICROSCOPY Experimental Data



EM Sample
Sample Vitrification Details Blot for 3.5 seconds before plunging into liquid ethane (FEI VITROBOT MARK I).
Sample Aggregation State PARTICLE
Sample Reconstruction Method SINGLE PARTICLE
Name of Sample ATP-bound N-ethylmaleimide sensitive factor
EM Data Acquisition
Date of Experiment 2014-02-28
Temperature (Kelvin) --
Microscope Model FEI POLARA 300
Detector Type GATAN K2 (4k x 4k)
Minimum Defocus (nm) -1800.0
Maximum Defocus (nm) -2800.0
Minimum Tilt Angle (degrees) --
Maximum Tilt Angle (degrees) --
Nominal CS 2.3
Imaging Mode BRIGHT FIELD
Electron Dose (electrons per Å**-2) 26.4
Illumination Mode FLOOD BEAM
Nominal Magnification 31000
Calibrated Magnification --
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details --
3D Reconstruction
Software Package(s) Relion
Reconstruction Method(s) --
EM Image Reconstruction Statistics
Number of Particles 50781
Other Details Every image is the sum of 30 frames recorded using the K2 Summit. The final reconstruction was calculated from images summed from frames #2-#18. (Single particle details: 3D classification, refinement, and reconstruction were performed using RELION) (Single particle--Applied symmetry: C1)
Effective Resolution 4.2
EM Map-Model Fitting and Refinement
Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Fitting Software
RECIPROCAL FLEXIBLE FIT R-factor -- -- --