What is "peptide bond"

n. 1 (context chemistry English) An amide bond formed between the amino and carboxyl functional groups of separate amino acids 2 (context biochemistry English) The primary linkage of amino acids in proteins

n. the primary linkage of all protein structures; the chemical bond between the carboxyl groups and amino groups that unites a peptide [syn: peptide linkage]

A peptide bond (amide bond) is a covalent chemical bond linking two consecutive amino acid monomers along a peptide or protein chain.