CYP2C9

· iron ion binding
· drug binding
· arachidonic acid epoxygenase activity
· steroid hydroxylase activity
· oxidoreductase activity
· oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen
· (S)-limonene 6-monooxygenase activity
· (S)-limonene 7-monooxygenase activity
· oxygen binding
· heme binding
· caffeine oxidase activity

· endoplasmic reticulum membrane

· steroid metabolic process
· monoterpenoid metabolic process
· drug metabolic process
· arachidonic acid metabolic process
· epoxygenase P450 pathway
· urea metabolic process
· monocarboxylic acid metabolic process
· drug catabolic process
· exogenous drug catabolic process
· cellular amide metabolic process
· small molecule metabolic process
· oxidation-reduction process
· oxidative demethylation