ZX-J-19J, an inhibitor of Cyclophilin J (CyPJ), demonstrates remarkable inhibition of tumor cell growth, comparable to cyclosporine A but much stronger than 5-fluorouracil.

δ-Endorphin (bovine, camel, mouse, ovine)

(Des-acetyl)-α-MSH is a polypeptide that can be found by peptide screening. Peptide screening is a research tool that pools active peptides primarily by immunoassay. Peptide screening can be used for protein interaction, functional analysis, epitope screening, especially in the field of agent research and development.