protamine

noun
prot·amine | \ˈprō-tə-ˌmēn \

Definition of protamine 

: any of various strongly basic proteins of relatively low molecular weight that are rich in arginine and are found associated especially with DNA in place of histone in the sperm cells of various animals (such as fish)

First Known Use of protamine

1874, in the meaning defined above

History and Etymology for protamine

International Scientific Vocabulary prot- + amine

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Time Traveler for protamine

The first known use of protamine was in 1874

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More Definitions for protamine

protamine

noun
prot·amine | \ˈprōt-ə-ˌmēn \

Medical Definition of protamine 

: any of various strongly basic proteins of relatively low molecular weight that are rich in arginine and are found associated especially with DNA in place of histone in the sperm of various animals (as fish)

More from Merriam-Webster on protamine

Britannica.com: Encyclopedia article about protamine

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