- a chain of amino acids linked together by peptide bonds and having a molecular weight of up to about 10,000.
Origin of polypeptide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of a group of natural or synthetic polymers made up of amino acids chemically linked together; this class includes the proteinsSee also peptide
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
Word Origin and History for polypeptide
Online Etymology Dictionary, © 2010 Douglas Harper
- A peptide containing many amino acids, typically between 10 and 100.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A peptide, such as a small protein, containing many molecules of amino acids, typically between 10 and 100.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.