Table 3.

Kinetic parameters for the F₁F_O-ATPase inhibition by Pzs. IC₅₀ and K’_i values were graphically obtained from the Pzs’ titration curve and Cornish-Bowden plots of Figure 3 and Figure 4, respectively.

Entry a	Compound	IC50 (mM)	K’i (mM)
1	6a	0.25 ± 0.01	0.21 ± 0.03
2	6h	1.62 ± 0.85	1.27 ± 0.25
3	6o	0.21 ± 0.15	1.86 ± 0.33

^a Data are the mean ± SD of three independent experiments carried out on different mitochondrial preparations.