ELECTRON MICROSCOPY

Sample

24-mer of pyrococcus furiosus apoferritin

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument LEICA PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details The sample was filled into cryoChips through the cantilever and then transferred within ~10 seconds to the Leica plunger for freezing.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 21238
Reported Resolution (Å) 3.0
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space ?
Refinement Protocol ?
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 63
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) -1000
Maximum Defocus (nm) -2000
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 ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION cryoSPARC 3.1
MODEL FITTING UCSF Chimera 1.13.1
FINAL EULER ASSIGNMENT cryoSPARC 3.1
CLASSIFICATION cryoSPARC 3.1
RECONSTRUCTION cryoSPARC 3.1
MODEL REFINEMENT PHENIX 1.13
MODEL REFINEMENT Coot 0.8.9.2
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?