Monitoring β-arrestin recruitment via β-lactamase enzyme fragment complementation: purification of peptide E as a low-affinity ligand for mammalian bombesin receptors.
Ikeda Y, Kumagai H, Okazaki H, Fujishiro M, Motozawa Y, Nomura S, Takeda N, Toko H, Takimoto E, Akazawa H, et al. PLoS One. 2015; 10(6):e0127445. Epub 2015 Jun 1.