Phoenix's Obesity Peptide Library has been used as screening new ligands for orphan receptor [Howard A. D., et al. Identification of receptors for neuromedin U and its role in feeding. Nature 406 (6 July), 70-75 (2000)]
Landgraf D, Tsang AH, Leliavski A, et al. Oxyntomodulin regulates resetting of the liver circadian clock by food. Elife. 2015;4:e06253.