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Backbone model of an aquareovirus virion by cryo-electron microscopy and bioinformatics
Sample Aqaurevirus: Grass carp reovirus (GCRV)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details Manual pluger freshing into liquid ethane
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 15000 Reported Resolution (Å) 4.5 Resolution Method Other Details Refinement Type Symmetry Type POINT Point Symmetry I
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value 100 Fitting Procedure Details
Data Acquisition Detector Type GENERIC CCD Electron Dose (electrons/Å**2) 20
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) 77 Microscope Model FEI POLARA 300 Minimum Defocus (nm) 800 Maximum Defocus (nm) 2300 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 154380 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details The electron beam is carefully monitored to ensure that the beam is just slightly larger than the CCD. See above
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details Fully corrected. See Zhou et al., 1999, J. Virol. 73, 3210-3218