Used in peptide synthesis to introduce double bonds into peptide chains, enhancing rigidity and stability. It aids in studying protein folding and interactions by mimicking natural amino acids with restricted conformations. Applied in drug development to create peptide-based therapeutics with improved bioavailability and resistance to enzymatic degradation. Also utilized in biochemistry research to investigate enzyme mechanisms and protein-ligand binding. Its unique structure allows for the design of novel biomaterials and bioactive compounds with specific properties.