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Related to polypeptide: Polypeptide chain
A peptide, especially one composed of 10 or more amino acids.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Elements & Compounds) any of a group of natural or synthetic polymers made up of amino acids chemically linked together; this class includes the proteins. See also peptide
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
pol•y•pep•tide(ˌpɒl iˈpɛp taɪd, -tɪd)
a chain of amino acids linked together by peptide bonds and having a molecular weight of up to about 10,000.
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|Noun||1.||polypeptide - a peptide containing 10 to more than 100 amino acids|
protein - any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes; "a diet high in protein"
peptide - amide combining the amino group of one amino acid with the carboxyl group of another; usually obtained by partial hydrolysis of protein
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