[pep-tahyd] /ˈpɛp taɪd/
a compound containing two or more amino acids in which the carboxyl group of one acid is linked to the amino group of the other.
any of a group of compounds consisting of two or more amino acids linked by chemical bonding between their respective carboxyl and amino groups See also peptide bond, polypeptide
1906, from German peptid; see peptone + -ide, probably indicating a derivative.
peptide pep·tide (pěp’tīd’)
Any of various natural or synthetic compounds containing two or more amino acids linked by the carboxyl group of one amino acid and the amino group of another.
pep·tid’ic (-tĭd’ĭk) adj.
A chemical compound that is composed of a chain of two or more amino acids and is usually smaller than a protein. The amino acids can be alike or different. Many hormones and antibiotics are peptides.
noun, Biochemistry. 1. a covalent bond formed by joining the carboxyl group of one amino acid to the amino group of another, with the removal of a molecule of water. noun 1. (biochem) a chemical amide linkage, –NH–CO–, formed by the condensation of the amino group of one amino acid with the carboxyl group of […]
peptidergic pep·ti·der·gic (pěp’tĭ-dûr’jĭk) adj. Of or being nerve cells or fibers that may use small peptide molecules as their neurotransmitters.
peptidoglycan pep·ti·do·gly·can (pěp’tĭ-dō-glī’kən, -kān’) n. A polymer found in the cell walls of prokaryotes that consists of polysaccharide and peptide chains in a strong molecular network. Also called mucopeptide, murein.
peptidoid pep·ti·doid (pěp’tĭ-doid’) n. A compound formed by the condensation of two amino acids, with the linkage involving at least one group that is not a carboxyl or an amino group.