| hydroxytryptophan decarboxylase | <enzyme> An enzyme that catalyses the decarboxylation of l-dopa to dopamine, of l-tryptophan to tryptamine, and of l-hydroxytryptophan to serotonin; important in the biosynthetic pathway of catecholamines and melanin. Synonym: dopa decarboxylase, hydroxytryptophan decarboxylase, tryptophan decarboxylase. (05 Mar 2000) |
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| N-acetyl-6-hydroxytryptophan oxidase | <enzyme> Phenol oxidase from aspergillus nidulans Registry number: EC 1.14.18.- (26 Jun 1999) |
| 5-hydroxytryptophan | <chemical> Precursor of serotonin used as antiepileptic and antidepressant. Chemical name: Tryptophan, 5-hydroxy- (12 Dec 1998) |
| 5-hydroxytryptophan pyrrolase | <enzyme> 5-hydroxytryptophan and oxygen yield 5-hydroxykynurenine Registry number: EC 1.13.11.- (26 Jun 1999) |