ELECTRON MICROSCOPY Experimental Data



EM Sample
Sample Vitrification Details Blotting time: 3s Blotting force: -10
Sample Aggregation State PARTICLE
Sample Reconstruction Method SINGLE PARTICLE
Name of Sample EccB3 dimeric structure from ESX-3/Type VII secretion system
EM Data Acquisition
Date of Experiment --
Temperature (Kelvin) --
Microscope Model FEI TITAN KRIOS
Detector Type FEI FALCON III (4k x 4k)
Minimum Defocus (nm) 1600.0
Maximum Defocus (nm) 2600.0
Minimum Tilt Angle (degrees) --
Maximum Tilt Angle (degrees) --
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Electron Dose (electrons per Å**-2) 50.0
Illumination Mode SPOT SCAN
Nominal Magnification 75000
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 55342
Other Details Particles were extracted centred at extracellular density instead than in the centre of mass in order to improve the resolution in that distal region. Extra density not corresponding to the EccB3 dimer was subtracted
Effective Resolution 4.6
EM Map-Model Fitting and Refinement
Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Fitting Software
REAL AB INITIO MODEL Map correlation coefficient -- -- --