@article {711641,
	title = {A PKA activity sensor for quantitative analysis of endogenous GPCR signaling via 2-photon FRET-FLIM imaging},
	journal = {Frontiers in Pharmacology},
	volume = {2},
	number = {5},
	year = {2014},
	pages = {56},
	author = {Chen, Y. and JL Saulnier and G Yellen and BL Sabatini}
}
