Kinetic parameters for the formation of R-138727 in dog and human intestinal and liver microsomes

Values for Km and Vmax are reported as the mean of parameter estimates ± S.D.

Incubation TimeKmVmaxCLintCLint Ratio (Liver/Intestine)
minμMpmol per min/mgμl per min/mg
Dog
    Intestinal microsomes1542.7 ± 1.049.8 ± 2.01.2 ± 0.017.2
    Liver microsomes1518.5 ± 0.6379.9 ± 20.720.6 ± 0.5
Human
    Intestinal microsomes1580.4 ± 11.589.2 ± 1.31.1 ± 0.18.7
    Liver microsomes15262479.6