peptide bond

noun Biochemistry.

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.

Origin of peptide bond

First recorded in 1930–35

Also called peptide linkage.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for peptide bond

peptide bond

noun

biochem a chemical amide linkage, –NH–CO–, formed by the condensation of the amino group of one amino acid with the carboxyl group of another

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

peptide bond in Medicine

peptide bond

n.

The chemical bond formed between the carboxyl groups and amino groups of neighboring amino acids, constituting the primary linkage of all protein structures.

peptide bond in Science

peptide bond

The chemical bond formed between amino acids, constituting the primary linkage in all protein structures. In a peptide bond, the carboxyl group (COOH) of one amino acid bonds with the amino group (NH2) of another, forming the sequence CONH and releasing water (H2O).