Biopterin Biosynthesis

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folate biosynthesis (early stages)
monapterin biosynthesis
queuosine biosynthesis
6-pyruvoyl-5,6,7,8-tetrahydropterin metabolites
EC sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming)
EC 6,7-dihydropteridine reductase
EC phenylalanine 4-monooxygenase (mechanism see also amino acid biosynthesis)
EC tyrosine 3-monooxygenase, see also amino acid biosynthesis)
EC tryptophan 5-monooxygenase
EC 6-pyruvoyltetrahydropterin synthase
EC 4a-hydroxytetrahydrobiopterin dehydratase