Table 1.

Comparison of BRET ratios and DRs obtained from cell culture and mice imaging experiments

	BRET ratio		DR
BRET system	Cell culture	Mice	Cell culture	Mice
BRET3	0.79 ± 0.01	0.45 ± 0.04	2.76 ± 0.04	2.5 ± 0.2
BRET3.1	0.74 ± 0.02	0.95 ± 0.09	1.86 ± 0.03	2.9 ± 0.2
BRET6	0.58 ± 0.02	14 ± 2	2.43 ± 0.07	4.2 ± 0.4
BRET6.1	0.78 ± 0.04	24 ± 3	2.08 ± 0.07	2.7 ± 0.4

Values are given as mean ± SEM.