ELECTRON MICROSCOPY

Sample

Klebsiella pneumoniae DyP peroxidase-loaded encapsulin shell

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Blot force: 20 Blot time: 4 seconds
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 64969
Reported Resolution (Å) 2.52
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 Cross-correlation coefficient
Overall B Value 95.2
Fitting Procedure ?
Details Initial fitting was performed using ChimeraX v1.2.5. The model was then manually refined and mutated using Coot v9.8.1 followed by real-space refinement using Phenix v1.20.1-4487-000.
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 41.67
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TALOS ARCTICA
Minimum Defocus (nm) 800
Maximum Defocus (nm) 1800
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 45000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 4.2.1
IMAGE ACQUISITION Leginon ?
CTF CORRECTION cryoSPARC 4.2.1
MODEL FITTING UCSF ChimeraX 1.2.5
MODEL FITTING Coot 0.9.8
MODEL REFINEMENT PHENIX 1.20.1-4487-000
INITIAL EULER ASSIGNMENT cryoSPARC 4.2.1
FINAL EULER ASSIGNMENT cryoSPARC 4.2.1
RECONSTRUCTION cryoSPARC 4.2.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?