Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
Related to polypeptide: Polypeptide chain
A peptide, especially one composed of 10 or more amino acids.
(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
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.
Switch to new thesaurus
|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