3-demethoxyubiquinol 3-hydroxylase activity
3-demethoxyubiquinol 3-hydroxylase activity
Catalysis of the reaction: a 6-methoxy-3-methyl-2-all-trans-polyprenyl-1,4-benzoquinol + donor-H2 + O2 = acceptor + a 3-demethylubiquinol + H2O.