4a-hydroxytetrahydrobiopterin => q-dihydrobiopterin + H2O (Dictyostelium discoideum)
4a-hydroxytetrahydrobiopterin => q-dihydrobiopterin + h2o (dictyostelium discoideum)
4a-hydroxytetrahydrobiopterin => q-dihydrobiopterin + H2O (Dictyostelium discoideum)
4a-hydroxytetrahydrobiopterin => q-dihydrobiopterin + h2o (dictyostelium discoideum)