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. Author manuscript; available in PMC: 2016 Mar 13.
Published in final edited form as: Environ Int. 2009 Mar 18;36(8):942–949. doi: 10.1016/j.envint.2009.02.004

Fig. 3.

Fig. 3

Kinetics of estradiol sulfonation in sheep placental cytosol. Results shown are from one sample. Similar results were obtained with two other individuals. Part A shows rates of estradiol-3-sulfate formation over a wide range of estradiol concentrations: the line indicates the fit of the data to a model of partial substrate inhibition (see Materials and methods section). Part B shows an expanded view of the low substrate concentration range: the line was obtained by fitting the data to the Michaelis–Menten equation.