ELECTRON MICROSCOPY

Sample

Fibril of PI3K-SH3 domains

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument ?
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method HELICAL
Number of Particles 27681
Reported Resolution (Å) 3.4
Resolution Method FSC 0.143 CUT-OFF
Other Details For the even/odd test, the segment images were split by entire fibrils and refined separately for 25 iterations using the same reference density (low-passed filtered to 20 A).
Refinement Type
Symmetry Type HELICAL
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol AB INITIO MODEL
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å2) 26
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TECNAI ARCTICA
Minimum Defocus (nm) ?
Maximum Defocus (nm) ?
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
IMAGE ACQUISITION EPU 1.2.0.16
CTF CORRECTION CTFFIND 4.1.10
MODEL FITTING Coot ?
FINAL EULER ASSIGNMENT RELION 2
CLASSIFICATION RELION 2
RECONSTRUCTION RELION 2
MODEL REFINEMENT PHENIX 1.13_2998
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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