pro·ta·mine (pr  t -m n , -m n) also pro·ta·min (-mn)n. Any of a group of simple proteins found in fish sperm that are strongly basic, are soluble in water, are not coagulated by heat, and yield chiefly arginine upon hydrolysis. In purified form, they are used in a long-acting formulation of insulin and to neutralize the anticoagulant effects of heparin. |
protamine [ˈprəʊtəˌmiːn]
n
(Life Sciences & Allied Applications / Biochemistry) any of a group of basic simple proteins that occur, in association with nucleic acids, in the sperm of some fish
[from German: see proto-, amine]
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | protamine - a simple protein found in fish sperm; rich in arginine; simpler in composition than globulin or albumin; counteracts the anticoagulant effect of heparin simple protein - a protein that yields only amino acids when hydrolyzed |
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