protamine

[ proh-tuh-meen, pro-tam-in ]

noun

, Biochemistry.

1. any of a group of arginine-rich, strongly basic proteins that are not coagulated by heat, occurring primarily in the sperm of fish.

protamine

/ ˈprəʊtəˌmiːn /

noun

1. any of a group of basic simple proteins that occur, in association with nucleic acids, in the sperm of some fish

Word History and Origins

Origin of protamine¹

First recorded in 1870–75; prot- + amine

Word History and Origins

Origin of protamine¹

C19: from German: see proto- , amine