Peptide Synthesis: L-Leu-OBzl.TosOH serves as a crucial building block in peptide synthesis. It allows for the controlled introduction of leucine residues into peptide chains, enabling the creation of peptides with specific sequences and properties. Protein Engineering and Modification: The tosylate group of L-Leu-OBzl.TosOH provides a reactive site that can be used for the attachment of peptides or proteins to other molecules or surfaces. This is important in protein engineering, where researchers aim to modify protein structure and function or create chimeric proteins with novel properties. Bioconjugation: The benzyl ester moiety of L-Leu-OBzl.TosOH can be cleaved under specific conditions, releasing the leucine residue and enabling bioconjugation reactions. This allows for the conjugation of peptides or proteins to other biological molecules, such as antibodies or enzymes, creating novel bioconjugates with enhanced functionality. Biochemical Studies: L-Leu-OBzl.TosOH can also be used in biochemical studies to investigate the role of leucine and its derivatives in biological processes. It can be employed as a substrate or ligand in enzymatic reactions or protein-protein interactions, providing insights into cellular mechanisms and disease processes. Drug Discovery and Design: The unique structure of L-Leu-OBzl.TosOH offers potential in drug discovery efforts. Its leucine moiety can be exploited to design molecules with specific binding affinities or inhibitory activities against target proteins or enzymes. This could lead to the development of novel therapeutic agents against various diseases. | 
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