(Des-Thr7)-Glucagon 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.

14-Epiandrographolide is a compound derived from the above-ground parts of Andrographis paniculata that induces cell differentiation and can be used in the study of multiple sclerosis.

Arg-gly-glu -Ser(TFA) is a RGD related polypeptide that controls the inhibition of fibrinogen binding to activated platelets by RGDS.