ELECTRON MICROSCOPY

Sample

Campylobacter Hook

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument GATAN CRYOPLUNGE 3
Cryogen Name ETHANE
Sample Vitrification Details blotting from both side, Whatman #40 filter paper, 25 seconds blot time
3D Reconstruction
Reconstruction Method HELICAL
Number of Particles 49884
Reported Resolution (Å) 3.5
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type HELICAL
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol BACKBONE TRACE
Refinement Target CC
Overall B Value 120
Fitting Procedure ?
Details side chains included, default parameters
Data Acquisition
Detector Type FEI FALCON II (4k x 4k)
Electron Dose (electrons/Å2) 2.4
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 500
Maximum Defocus (nm) 2500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification 79000
Calibrated Magnification 105000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details parallel illumination
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION e2helixboxer.py 2.12
IMAGE ACQUISITION Leginon 3.1
CTF CORRECTION ctffind3 3.5
CTF CORRECTION CTFTILT 1.7
MODEL FITTING Coot 0.8.3
MODEL FITTING O 14.0
INITIAL EULER ASSIGNMENT segclassreconstruct 0.83
FINAL EULER ASSIGNMENT segrefine3d 0.83
CLASSIFICATION segmentclass 0.83
RECONSTRUCTION segrefine3d 0.83
MODEL REFINEMENT PHENIX 1.9-1692
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING ONLY SPRING v0.83