ELECTRON MICROSCOPY

Sample

I53-50 nanoparticle core recovered from GPC-I53-50 nanoparticle

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Blot time 4s, Wait time 10s, Blot force 0
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 86411
Reported Resolution (Å) 3.67
Resolution Method FSC 0.143 CUT-OFF
Other Details Icosahedral symmetry imposed for refinement. Solvent mask around the nanoparticle core used for refinement.
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 K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 50.4
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 600
Maximum Defocus (nm) 1600
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 29000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 2
IMAGE ACQUISITION Leginon ?
CTF CORRECTION Gctf ?
MODEL FITTING UCSF Chimera ?
INITIAL EULER ASSIGNMENT RELION 3.0
FINAL EULER ASSIGNMENT RELION 3.0
CLASSIFICATION RELION 3.0
RECONSTRUCTION RELION 3.0
MODEL REFINEMENT RosettaEM ?
MODEL REFINEMENT Coot ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?