EXPLORING THE INSIDE OF A VIRUS WITH A HELICAL CAPSID IN HD
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Uploaded by ChrisLeggettMusic on Feb 11, 2011
The tobacco mosaic virus is a plant virus that has a helical capsid. It is a good example of a virus with a helical capsid. The capsid is like a slinky composed of many individual protein subunits. The RNA phosphate (shown in color) backbone stabilizes the interaction between the RNA and coat protein (shown in transparent grey).
A helical aggregate of protein subunits frames a spiraling RNA molecule that contains the genetic information necessary for replication in the host. The coat protein assembles into a rod-like structure. The "capsid" is the protein shell surrounding the nucleic acid genome, and the nucleocapsid is the nucleic acid and protein which gets packaged into the virion. (i.e. the nucleocapsid of TMV forms long rods that get incorporated into the TMV virion.)
The virion is the complete infectious viral particle. It contains the nucleocapsid (green), a few proteins (not portrayed in this animation) and sometimes a viral envelope.
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yup. me like as well. wheel with a wrent in it
thanksverylittle 3 months ago
great video, thank you!
DarkFox314 5 months ago
Absolutely awesome!
avalonprof 1 year ago