ELECTRON MICROSCOPY

Sample

RNA-bound Hantaan virus nucleocapsid

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details 3 ul of sample were applied on the resulting glow-discharged grids and excess solution was blotted during 2.5 sec force 7
3D Reconstruction
Reconstruction Method HELICAL
Number of Particles 105665
Reported Resolution (Å) 3.3
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type HELICAL
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol AB INITIO MODEL
Refinement Target ?
Overall B Value 103
Fitting Procedure ?
Details Fiber model was iteratively rebuilt and all-atom refined using stereochemical and NCS restraints
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 40
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) ?
Maximum Defocus (nm) ?
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 46860
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION RELION 2.1
IMAGE ACQUISITION EPU ?
CTF CORRECTION Gctf ?
CTF CORRECTION Gctf ?
CTF CORRECTION RELION 3.0
MODEL FITTING UCSF Chimera ?
INITIAL EULER ASSIGNMENT RELION 2.1
FINAL EULER ASSIGNMENT RELION 2.1
RECONSTRUCTION RELION 3.0
MODEL REFINEMENT PHENIX 1.13
MODEL REFINEMENT Coot 0.8.9
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?