Used in biochemical research as a modified amino acid derivative, particularly in the synthesis of peptide-based compounds targeting neurological pathways. Its structure supports studies on enzyme inhibition and receptor binding, especially related to serotonin and tryptophan metabolism. Commonly employed in the development of bioactive peptides due to enhanced stability and specificity conferred by the indole and amino acid moieties. Also utilized in cell signaling studies and as a building block in medicinal chemistry for designing drugs that modulate neurotransmitter systems.