| 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) |