Tryptophan Hydroxylase

**Definition:** An enzyme that catalyzes the hydroxylation of TRYPTOPHAN to 5-HYDROXYTRYPTOPHAN in the presence of NADPH and molecular oxygen. It is important in the biosynthesis of SEROTONIN.

**Tree numbers:** - D08.811.682.690.708.870

**Synonyms:** - Tryptophan Monooxygenase