Cytochrome C, a protein that belongs to class 1 of the c-type cytochrome family, exerts different functions depending on its cellular localization and the conditions in which it operates.

Licoricidin, is a potent anti-metastatic agent, which can markedly inhibit the metastatic and invasive capacity of malignant prostate cancer cells.

Obestatin (human) is an endogenous ligand for G-protein eurythmic entity 39 formed by shearing of preproghrelin, which inhibits feeding in a dose-dependent manner, and can be used in the study of obesity.