Z-Glu-Gly-OH is widely used in biochemical research, particularly in peptide synthesis. It serves as a building block for creating more complex peptides and proteins. This compound is also utilized in studies related to enzyme activity and protein structure, helping researchers understand molecular interactions. Additionally, it finds application in the development of pharmaceutical compounds, where it acts as an intermediate in the production of drugs targeting specific biological pathways. Its role in mimicking natural peptide sequences makes it valuable in designing therapeutic agents.