S protein

noun

variants or S-protein
ˈes-ˈprō-ˌtēn How to pronounce S protein (audio)
 also  -ˈprō-tē-ən
plural S proteins or S-proteins
: spike protein
In coronaviruses, the S protein functions in cell entry; it is responsible for receptor attachment and membrane fusion.Hiu-Wen Chang et al.
compare protein s

Examples of S protein in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The mRNA vaccine gives cells instructions on how to make the S protein found on the surface of the COVID-19 coronavirus. Ashley MacKin-Solomon, San Diego Union-Tribune, 21 Mar. 2024

Word History

First Known Use

1969, in the meaning defined above

Time Traveler
The first known use of S protein was in 1969

Dictionary Entries Near S protein

Cite this Entry

“S protein.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/S%20protein. Accessed 23 Dec. 2024.

Medical Definition

S protein

noun
variants or S-protein
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!