dammarenediol 12-hydroxylase activity
Catalysis of the reaction: dammarenediol-II + NADPH + H+ + O2 = (20S)-protopanaxadiol + NADP + H2O.
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