S protein


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

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 Feb. 2024.

Medical Definition

S protein

variants or S-protein
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