Table 1

Michaelis-Menten kinetic parameters of POD in microsomes from baculovirus-infected insect cells expressing CYP1A1, CYP1A2, or CYP2E1

CYP1-aKmVmax
μM pmol/min/pmol CYP
CYP1A127  ± 347  ± 0.6
CYP1A228  ± 220  ± 0.4
CYP2E1785  ± 1254.3  ± 0.4
  • 1-a Eight pmol/ml CYP1A1 or CYP1A2 and 20 pmol/ml CYP2E1 were incubated for 30 min, respectively. The concentration range of phenacetin used was 1 μM to 1 mM.