Phenylalanine HydroxylasePhenylalaninePhenylketonuriasTryptophanPterinsBiopterinFenclonineTryptophan HydroxylasePhenylalanine Ammonia-LyasePteridinesLiverTyrosine 3-MonooxygenaseChromobacteriumTryptophan OxygenaseSteroid 21-HydroxylaseDihydropteridine ReductaseKineticsPhenylpyruvic AcidsTryptophan SynthaseHydroxylationTyrosineAmino AcidsMolecular Sequence DataMutationMixed Function OxygenasesAmino Acid SequenceLysophosphatidylcholinesHomogentisate 1,2-DioxygenaseProcollagen-Proline DioxygenaseHydro-LyasesBinding SitesSpectrometry, FluorescenceEnzyme ActivationKynurenineAmino Acid Metabolism, Inborn ErrorsBase SequenceFluorineMutagenesis, Site-DirectedHydrocortisoneProtein ConformationRecombinant ProteinsRats, Inbred StrainsPolymorphism, Restriction Fragment LengthSubstrate SpecificityEscherichia coliGlucagonDithiothreitolCoenzymesSteroid HydroxylasesCatalysisEnzyme StabilityHaplotypesHepatocyte Nuclear Factor 1Spectrophotometry, Ultraviolet