ELECTRON MICROSCOPY

Sample

Protomer1 of the ESX-3 core complex

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Blotting time: 3s Blotting force: -10
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 126308
Reported Resolution (Å) 3.7
Resolution Method FSC 0.143 CUT-OFF
Other Details In order to get the best possible resolution for protomer 1, the extra density not corresponding to this protomer was subtracted and masked out during the refinement.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol AB INITIO MODEL
Refinement Target Map correlation coefficient
Overall B Value 29.4
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å2) 50.0
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1600
Maximum Defocus (nm) 2600
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 75000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION RELION ?
IMAGE ACQUISITION EPU ?
CTF CORRECTION Gctf ?
INITIAL EULER ASSIGNMENT RELION ?
FINAL EULER ASSIGNMENT RELION ?
CLASSIFICATION RELION ?
RECONSTRUCTION RELION ?
MODEL REFINEMENT PHENIX 1.15.2-3472
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?