Biochemistry

Peptide Bond

The covalent bond linking the carboxyl group of one amino acid to the amino group of another.

Definition

Peptide bonds form during translation when ribosomes catalyze a condensation reaction between the carboxyl group of one amino acid and the amine group of the next, releasing water.

Related terms

Amino AcidThe building block of peptides and proteins — 20 standard amino acids occur in human biology.
PeptideA short chain of amino acids linked by peptide bonds — generally fewer than 50 amino acids.

Back to the full peptide glossary.