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Home > T > TRYPTOPHAN HYDROXYLASE
T

TRYPTOPHAN HYDROXYLASE

By N., Sam M.S.

an enzyme which catalyzes the initial step in the biosynthesis of serotonin. It utilizes tetrahydrobiopterin as a component enzyme to modify the dietary amino acid i-tryptophan to 5-hydroxytryptophan. This response is the rate-restricting step in serotonin synthesis, inhibited by amounts of tryptophan within the brain in addition to by amount of activity of neurons which utilize serotonin as a neurotransmitter.

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Cite this page: N., Sam M.S., "TRYPTOPHAN HYDROXYLASE," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/tryptophan-hydroxylase/ (accessed December 2, 2023).
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By N., Sam M.S.
Sam holds a masters in Child Psychology and is an avid supporter of Psychology academics.
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