ELECTRON MICROSCOPY

Sample

Rotavirus VP4, VP6, VP7 assembly in the foldback conformation

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument GATAN CRYOPLUNGE 3
Cryogen Name ETHANE
Sample Vitrification Details 4 ul sample volume, 4 sec blotting time
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 252548
Reported Resolution (Å) 3.3
Resolution Method FSC 0.143 CUT-OFF
Other Details Reconstruction final map after classification of VP4 sub-particles . VP4 sub-particles extracted from viral particles (60 VP4 sub-particles per viral particle)
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space ?
Refinement Protocol OTHER
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details phenix.real_space_refine
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 33
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI POLARA 300
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 3000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.0
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 27500
Calibrated Magnification 40605
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION EMAN2 ?
IMAGE ACQUISITION SerialEM ?
CTF CORRECTION Gctf ?
MODEL FITTING O ?
MODEL REFINEMENT PHENIX 1.17.1-3660
INITIAL EULER ASSIGNMENT cisTEM ?
FINAL EULER ASSIGNMENT cisTEM ?
CLASSIFICATION cisTEM ?
RECONSTRUCTION cisTEM ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?