ELECTRON MICROSCOPY

Sample

Salmonella SipA/F-actin complex

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument LEICA EM GP
Cryogen Name ETHANE
Sample Vitrification Details 3 uL of sample was applied on Lacey grid, then sample was blotted for 3 seconds and plunge-froze in liquid ethane
3D Reconstruction
Reconstruction Method HELICAL
Number of Particles 1548993
Reported Resolution (Å) 3.2
Resolution Method FSC 0.143 CUT-OFF
Other Details Reconstruction algorithm: helical refinement and non-uniform refinement in cryoSPARC that is similar to IHRSR algorithm
Refinement Type
Symmetry Type HELICAL
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol OTHER
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K3 (6k x 4k)
Electron Dose (electrons/Å2) 48
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS KRIOS
Minimum Defocus (nm) 1200
Maximum Defocus (nm) 2400
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS ?
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
CTF CORRECTION cryoSPARC 4.0.2
MODEL FITTING UCSF ChimeraX 1.3
MODEL FITTING Coot 0.9.8.1
MODEL REFINEMENT PHENIX 1.3
MODEL REFINEMENT Coot 0.9.8.1
INITIAL EULER ASSIGNMENT cryoSPARC 4.0.2
FINAL EULER ASSIGNMENT cryoSPARC 4.0.2
CLASSIFICATION cryoSPARC 4.0.2
RECONSTRUCTION cryoSPARC 4.0.2
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?