steroid 22S-hydroxylase activity
Catalysis of the reaction: a C28-steroid + O2 + reduced NADPH--hemoprotein reductase = a (22S)-22-hydroxy C28-steroid + H+ + H2O + oxidized NADPH--hemoprotein reductase. Also catalyzes the C-22 hydroxylation of a variety of C27 and C29 steroids.
GO:0008395
steroid hydroxylase activity
is_a
GO:0016712
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
is_a
steroid C-22 hydroxylase activity
exact