| CHO | Chinese hamster ovary |
| CREB | cAMP response element-binding protein |
| ERK | Extracellular signal-regulated kinase |
| GPCR | G protein-coupled receptor |
| GRK | G protein-coupled receptor kinase |
| JNK | c-Jun N-terminal kinase |
| MAPK | Mitogen-activated protein kinase |
| PKC | Protein kinase C |
| YFP | Yellow fluorescent protein |
| WT | Wild-type |