TryptophanTryptophan OxygenaseTryptophan SynthaseTryptophan HydroxylaseKynurenineBromosuccinimideSpectrometry, FluorescenceIndoleamine-Pyrrole 2,3,-DioxygenaseAnthranilate Synthaseortho-AminobenzoatesAcrylamideXanthurenatesAmino AcidsSerotoninProtein ConformationHydroxyindoleacetic AcidTryptophanase3-Hydroxyanthranilic AcidCircular DichroismAmino Acid SequenceKineticsPhenylalanineEscherichia coliMolecular Sequence DataBinding SitesAnthranilate PhosphoribosyltransferaseSpectrophotometry, UltravioletModels, MolecularFluorescenceTryptophan-tRNA LigaseIndolesProtein BindingKynurenine 3-MonooxygenaseMutationMutagenesis, Site-DirectedFluorescence PolarizationQuinolinic AcidIndole-3-Glycerol-Phosphate SynthaseNiacin5-HydroxytryptophanIndolequinonesAcrylamidesQuinolinic AcidsOperonProtein DenaturationRNA, Transfer, TrpEnergy TransferSkatoleTyrosineProtein Structure, SecondaryPellagraHydrogen-Ion ConcentrationBase SequenceRecombinant ProteinsTransaminasesGlycerophosphatesEnzyme RepressionKynurenic AcidBacterial ProteinsAmino Acid Transport SystemsStructure-Activity RelationshipProtein Structure, TertiaryProtein FoldingSpectrophotometryOxidation-ReductionHistidineLiverGuanidineMagnetic Resonance SpectroscopyApoproteinsAnilino Naphthalenesulfonates