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Eukaryotic tyrosine hydroxylase (TyrOH); a member of the biopterin-dependent aromatic amino acid hydroxylase family of non-heme, iron(II)-dependent enzymes that also includes prokaryotic and eukaryotic phenylalanine-4-hydroxylase (PheOH) and eukaryotic tryptophan hydroxylase (TrpOH). TyrOH catalyzes the conversion of tyrosine to L-dihydroxyphenylalanine (L-DOPA), the rate-limiting step in the biosynthesis of the catecholamines dopamine, noradrenaline, and adrenaline.
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Jiyao W et al.(2023). "The conserved domain database in 2023.",