ELECTRON MICROSCOPY

Sample

Insulin degrading enzyme

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details The cryo grids were made using Spotiton
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 16944
Reported Resolution (Å) 6.5
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target ?
Overall B Value 92
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 7.9
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 940
Maximum Defocus (nm) 2200
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 22500
Calibrated Magnification 46598
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details The image was collected at 20-50 degree tilt
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION DoG Picker ?
IMAGE ACQUISITION Leginon 3.3
CTF CORRECTION Gctf Gctf-v0.50_sm_30_cu7.5_x86_64
MODEL FITTING Coot Coot 0.8.9_pre
MODEL FITTING UCSF Chimera Chimera 1.11.2
MODEL REFINEMENT PHENIX Phenix-1.12-2829
INITIAL EULER ASSIGNMENT RELION 2.0
FINAL EULER ASSIGNMENT RELION 2.0
CLASSIFICATION RELION 2.0
RECONSTRUCTION RELION 2.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?