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protamine
protamine (proh-tă-meen) n. one of a group of simple proteins that can be conjugated with nucleic acids to form nucleoproteins. p. sulphate an antidote to heparin overdosage in oral anticoagulant therapy. p. zinc insulin a combination of protamine, insulin, and zinc that is absorbed much more slowly than ordinary insulin and thus reduces the frequency of injections.
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"protamine." A Dictionary of Nursing. 2008. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>. "protamine." A Dictionary of Nursing. 2008. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O62-protamine.html "protamine." A Dictionary of Nursing. 2008. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-protamine.html |
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protamine
protamine Any of a group of proteins of relatively low molecular weight found in association with the chromosomal DNA of vertebrate sperm cells. They contain a single polypeptide chain comprising about 67% arginine. Protamines serve in packaging the highly condensed DNA of the germ-cell chromosomes.
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"protamine." A Dictionary of Biology. 2004. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>. "protamine." A Dictionary of Biology. 2004. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O6-protamine.html "protamine." A Dictionary of Biology. 2004. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-protamine.html |
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protamine
protamine A generic term for a group of strongly basic, globular proteins of relatively low molecular weight, which contain large quantities of the amino acid arginine, but no sulphur. They are found associated with nucleic acids, particularly in sperm cells.
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MICHAEL ALLABY. "protamine." A Dictionary of Zoology. 1999. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "protamine." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O8-protamine.html MICHAEL ALLABY. "protamine." A Dictionary of Zoology. 1999. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-protamine.html |
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protamine
protamine A generic term for a group of strongly basic, globular proteins of relatively low molecular weight, which contain large quantities of the amino acid arginine, but no sulphur. They are found associated with nucleic acids.
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Cite this article
MICHAEL ALLABY. "protamine." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "protamine." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O7-protamine.html MICHAEL ALLABY. "protamine." A Dictionary of Plant Sciences. 1998. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-protamine.html |
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