ELECTRON MICROSCOPY

Sample

Type IX Secretion System PorLM motor complex

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Wait time 10 s Blot time 2 s
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 649359
Reported Resolution (Å) 3.9
Resolution Method FSC 0.143 CUT-OFF
Other Details RELION 3.1 was used for reconstruction
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol AB INITIO MODEL
Refinement Target ?
Overall B Value 72.16
Fitting Procedure ?
Details A homology model based on the structure of FjoGldLM (PDB 6YS8) was used as a starting model and modified to fit the EM density using Coot. Refinement was carried out using Phenix.
Data Acquisition
Detector Type GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å2) 55
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) ?
Maximum Defocus (nm) ?
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
PARTICLE SELECTION SIMPLE 3.0
CTF CORRECTION SIMPLE 3.0
MODEL FITTING Coot 0.9.4.1
MODEL REFINEMENT PHENIX 1.18.2
INITIAL EULER ASSIGNMENT RELION 3.1
FINAL EULER ASSIGNMENT RELION 3.1
CLASSIFICATION RELION 3.1
RECONSTRUCTION RELION 3.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?