S protein

noun

variants or S-protein

ˈes-ˈprō-ˌtēn 

 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

Medical Definition

S protein

noun

ˈes- 

variants or S-protein

: spike protein compare protein S