ELECTRON MICROSCOPY

Sample

Vaccinia virus scaffolding protein D13 with N-terminal 17 residue truncation, in its trimer sextet oligomeric state

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE-PROPANE
Sample Vitrification Details 3 microliter sample volume was loaded onto a holey grid with additional graphene oxide film. 10 sec waiting time, 5 sec blotting time and blot force 0, no delay time were applied before plunging.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 247311
Reported Resolution (Å) 3.9
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 ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 QUANTUM (4k x 4k)
Electron Dose (electrons/Å2) 50
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 500
Maximum Defocus (nm) 2500
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 105000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
IMAGE ACQUISITION EPU ?
CTF CORRECTION CTFFIND 4.1.9
CTF CORRECTION RELION 3.1
CTF CORRECTION cisTEM 1.0.0
MODEL FITTING UCSF Chimera 1.13.1
MODEL FITTING Coot 0.9.1
MODEL REFINEMENT PHENIX 1.18
INITIAL EULER ASSIGNMENT RELION 3.1
FINAL EULER ASSIGNMENT cisTEM 1.0.0
CLASSIFICATION cisTEM 1.0.0
RECONSTRUCTION cisTEM 1.0.0
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?