Phenylalanine HydroxylaseTryptophan HydroxylaseFencloninePhenylalaninePhenylketonuriasTryptophanLiverBiopterinSerotoninPterinsTyrosine 3-MonooxygenaseSteroid 21-HydroxylaseMixed Function OxygenasesProcollagen-Proline DioxygenaseRaphe NucleiHydroxylationSteroid HydroxylasesBenzopyrene HydroxylaseKineticsCholestanetriol 26-MonooxygenaseSerotonergic NeuronsPteridinesPhenylalanine Ammonia-LyaseCytochrome P-450 Enzyme SystemPhenylpyruvic AcidsChromobacteriumMolecular Sequence Data5-HydroxytryptophanSerotonin Plasma Membrane Transport ProteinsTryptophan OxygenaseDihydropteridine ReductaseSerotonin AgentsHydroxyindoleacetic AcidAryl Hydrocarbon HydroxylasesAmino Acid SequenceTryptophan SynthaseProcollagen-Lysine, 2-Oxoglutarate 5-DioxygenasePineal GlandEnterochromaffin CellsBase SequenceTyrosineAromatic-L-Amino-Acid DecarboxylasesEnzyme ActivationMutationAmino AcidsTetranitromethane