Table 1.

Maximal signal (Max, arbitrary units), EC₅₀ (µM) and Hill slope (n_H), for activation by adrenaline in the presence of various concentrations of yohimbine and ρ-Da1b

		Antagonists
		0 µM	1 µM	3 µM	10 µM	30 µM	100 µM
Yohimbine	EC50	0,16 ± 0,03	0,508 ± 0,087	0,681 ± 0,37	1,61 ± 1,2	4,11 ± 1,1	12,0 ± 5,8
	nH	1.11	0.93	0.96	0.87	0.89	0.96
	Max	6060 ± 1010	4306 ± 585	6536 ± 150	6299 ± 776	5151 ± 165	5787 ± 660
	n	8	3	3	6	4	6
ρ-Da1b	EC50	0.16 ± 0.03	0.173 ± 0.038	0.419 ± 0.098	0.611 ± 0.48	0.745 ± 0.56	2.21 ± 0.68
	nH	1.11	1.04	1.01	0.89	0.92	0.81
	Max	6060 ± 1010	6766 ± 186	6125 ± 762	6414 ± 701	6680 ± 1243	7232 ± 126
	n	8	3	4	6	6	3

n, number of experiments.