TABLE 1

Km and Vmax values of [3H]pravastatin and [3H]TCA in the presence and absence of unlabeled pravastatin and TCA by hBSEP-expressing membrane vesicles The kinetic parameters were calculated from Fig. 3. The values are expressed as mean ± computer-calculated S.D.


Substrate

Inhibitor

Km

Vmax
μM pmol/min/mg protein
TCA 4.64 ± 0.19 4290 ± 120
Pravastatin (250 μM) 9.91 ± 1.34 3880 ± 390
Pravastatin 124 ± 13 1220 ± 90

TCA (3 μM)
366 ± 50
1110 ± 120