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spike protein

noun
- 1. (in some human and animal viruses) a glycoprotein projecting from the outer membrane that binds to a receptor on the host cell and facilitates entry of the virus into the host cell.
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Spike protein
Short structure attached to an icosahedral virion capsid, and used for attachment to the host cell
In virology, a spike protein or peplomer protein is a protein that forms a large structure known as a spike or peplomer projecting from the surface of an enveloped virus. The proteins are usually glycoproteins that form dimers or trimers. Wikipedia
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