PROTAC IDO1 Degrader-1 is utilized in the field of targeted protein degradation, specifically focusing on the enzyme indoleamine 2,3-dioxygenase 1 (IDO1). This compound is designed to degrade IDO1, an enzyme often overexpressed in various cancers and implicated in immune evasion. By degrading IDO1, it helps to restore immune system function, making it a promising candidate for cancer immunotherapy. Its application is particularly significant in research aimed at developing novel therapeutic strategies to enhance the body's ability to combat tumors. Additionally, it serves as a valuable tool in studying the role of IDO1 in immune regulation and tumor microenvironment modulation.