protamine


prot·amine

noun \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 (as fish)

Origin of PROTAMINE

International Scientific Vocabulary prot- + amine
First Known Use: 1874

prot·amine

noun \ˈprōt-ə-ˌmēn\   (Medical Dictionary)

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)

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