This chemical is primarily used in immunological research, particularly in studies involving the PD-1/PD-L2 immune checkpoint pathway. It serves as a reagent for selectively targeting and modulating immune responses, making it valuable in the development of cancer immunotherapies. Its conjugated structure allows for specific binding to PD-L2 expressing cells, enabling precise detection, isolation, or inhibition in cellular assays. It is also employed in flow cytometry and immunoassay development to study T-cell activation and immune evasion mechanisms in tumor microenvironments.