GO:0004497 monooxygenase activity
GO:0005506 iron ion binding
GO:0009055 electron carrier activity
GO:0016491 oxidoreductase activity
GO:0016705 oxidoreductase activity. acting on paired donors. with incorporation or reduction of molecular oxygen
GO:0019825 oxygen binding
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0055114 oxidation-reduction process