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)