Peptide Bond at Aromatic Amino Acid Residues

A peptide bond is an amide linkage between the α-carboxyl group of one amino acid and the α-amino group of another. When located at or near aromatic amino acid residues (phenylalanine, tyrosine, tryptophan, histidine), these bonds have distinct structural and functional characteristics. Aromatic residues stabilize protein folding and mediate protein-protein interactions. Peptide bonds at these sites are often targets for proteases like chymotrypsin. Cleavage at these bonds regulates enzyme activity, signal transduction, and protein degradation. Aromatic amino acids' UV absorbance enables monitoring proteolysis at these sites.

Other names

Aromatic Peptide BondPeptide bond near Phe/Tyr/Trp/HisAromatic Amino Acid Peptide LinkageProteolysis Site at Aromatic Residues