TABLE 1.

Summary of properties of PS and DHEAS.The table provides the desensitization time constants in the presence of 30 µM steroid (τ_{desensitization}), results of fits of steroid concentration-response data to the Hill equation (IC₅₀ and n_H), and results of fits to Eq. 12 (K and e).

Parameter	PS	DHEAS
τdesensitization at 30 µM (s) (control in same cells)	4.1 ± 0.4 (41 ± 12)	2.3 ± 0.8 (43 ± 12)
IC50,peak (µM)	0.26 ± 0.03	1.01 ± 0.12
nH,peak	−0.73 ± 0.05	−0.81 ± 0.06
IC50,sustained (µM)	1.45 ± 0.26	11.4 ± 0.8
nH,sustained	−0.90 ± 0.11	−1.51 ± 0.10
K (µM)	22.6 ± 3.6	336 ± 25
e	6.2 × 10−5 ± 3.3 × 10−5	6.2 × 10-5*

*Constrained as described in Results. The numbers of cells are provided in text.