ELECTRON MICROSCOPY

Sample

hetero-tetrameric complex of anaplastic lymphoma kinase (ALK) with Augmentor alpha

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details QUANTIFOIL R1.2/1/3 gold 300 mesh grids without glow-discharge, blotting time 3 sec., blotting force -5.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 188516
Reported Resolution (Å) 2.27
Resolution Method FSC 0.143 CUT-OFF
Other Details cryoSPARC
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K3 (6k x 4k)
Electron Dose (electrons/Å2) 81
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 500
Maximum Defocus (nm) 1500
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 105000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details SerialEM coma-free alignment
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cisTEM 1.0.0
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION CTFFIND 4
INITIAL EULER ASSIGNMENT cryoSPARC ?
FINAL EULER ASSIGNMENT cryoSPARC ?
RECONSTRUCTION cryoSPARC ?
MODEL REFINEMENT PHENIX ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ctfFIND4 within Relion3.0 software