TABLE 1

Substrate concentrations used in assays for sulfotransferase enzyme kinetic determination

Substrate	Concentration Range
Substrate	Liver	Intestine	Kidney
4-Nitrophenol	0.5–25 μM	0.05–25 μM	0.05–20 μM
2-Aminophenol	0.5–25 μM	0.05–25 μM	0.05–20 μM
Dopamine		0.05–50 μM	0.05–20 μM
17β-Estradiol	0.1–100 nM	0.1–100 nM	0.1–100 nM
DHEA	0.5–25 μM	0.1–7 μM