pwz:J7655_06945 K00500 phenylalanine-4-hydroxylase [EC:1.14.16.1] | (GenBank) phenylalanine 4-monooxygenase pwz:J7655_06940 K01724 4a-hydroxytetrahydrobiopterin dehydratase [EC:4.2.1.96] | (GenBank) 4a-hydroxytetrahydrobiopterin dehydratase