the protein and cytochrome p-450 content of these lots of s-9 were very similar , and no differences attributable to duration of storage were observed in the activities of ethoxycoumarin o-deethylase , aniline hydroxylase , cytochrome p-450 reductase or aryl hydrocarbon hydroxylase .
C0003039
aniline hydroxylase
C0003927
aryl hydrocarbon hydroxylase