tetrahydrobiopterin
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English[edit]
Etymology[edit]
Noun[edit]
tetrahydrobiopterin (uncountable)
- (biochemistry) A naturally-occurring nutrient and essential cofactor of the three aromatic amino acid hydroxylase enzymes, used in the biosynthesis of the neurotransmitters serotonin, melatonin, dopamine, norepinephrine, epinephrine, and nitric oxide.