4a-hydroxytetrahydrobiopterin => q-dihydrobiopterin + H2O (Saccharomyces cerevisiae)
4a-hydroxytetrahydrobiopterin => q-dihydrobiopterin + h2o (saccharomyces cerevisiae)
4a-hydroxytetrahydrobiopterin => q-dihydrobiopterin + H2O (Saccharomyces cerevisiae)
4a-hydroxytetrahydrobiopterin => q-dihydrobiopterin + h2o (saccharomyces cerevisiae)