One aspect of virology that is confusing to students is the concepts of capsids and nucleocapsids. These two terms describe two different ways that viral nucleic acids and proteins are arranged in virus particles. The capsid (from the Latin capsa for box) is the protein shell surrounding the nucleic acid genome. Below are two different …
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If you have ever wanted to make beautiful images of viruses, in colors of your choice, then go to VIPERdb, the virus particle explorer. The first crystallographic X-ray structure of a virus was that of tomato bushy stunt virus in 1977, followed by structures of the animal viruses poliovirus and rhinovirus in 1985. Since then …
