Glycyl-L-Tyrosine is widely utilized in biochemical research as a substrate for studying enzyme activity, particularly proteases and peptidases. It serves as a model compound to investigate the mechanisms of peptide bond cleavage and enzyme specificity. In the field of microbiology, it is used to assess the metabolic capabilities of microorganisms, aiding in the identification and characterization of bacterial strains. Additionally, Glycyl-L-Tyrosine is employed in nutritional studies to explore peptide absorption and utilization in biological systems. Its role in peptide synthesis and protein research also makes it valuable for developing therapeutic peptides and understanding protein-protein interactions.