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protamine

[ proh-tuh-meen, pro-tam-in ]
/ ˈproʊ təˌmin, prɒˈtæm ɪn /
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noun Biochemistry.
any of a group of arginine-rich, strongly basic proteins that are not coagulated by heat, occurring primarily in the sperm of fish.
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Origin of protamine

First recorded in 1870–75; prot- + amine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

British Dictionary definitions for protamine

protamine
/ (ˈprəʊtəˌmiːn) /

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

Word Origin for protamine

C19: from German: see proto-, amine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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