H-Tyr-Glu-OH is primarily used in biochemical research and peptide synthesis. It serves as a building block for creating larger peptide chains or proteins, often utilized in studies exploring protein structure, function, and interactions. This dipeptide can also be employed in enzymatic studies to understand substrate specificity or enzyme kinetics. Additionally, it finds application in the development of peptide-based drugs or therapeutic agents, particularly in targeting specific biological pathways. Its role in mimicking natural peptide sequences makes it valuable for investigating cellular signaling and receptor binding processes.