TryptophanAmino AcidsTryptophan OxygenaseSequence Homology, Amino AcidTryptophan SynthaseAmino Acid SequenceTryptophan HydroxylaseAmino Acid SubstitutionCloning, MolecularMolecular Sequence DataKynurenineBase SequenceEscherichia coliAmino Acids, EssentialBinding SitesAmino Acid Transport SystemsProtein ConformationKineticsMutationPolymerase Chain ReactionModels, MolecularSequence AlignmentBromosuccinimideMutagenesis, Site-DirectedSpectrometry, FluorescenceProtein BindingAmino Acid MotifsRecombinant ProteinsPeptide FragmentsAmino Acids, AromaticProtein Structure, TertiaryDNA, ComplementaryLeucineSequence Homology, Nucleic AcidIndoleamine-Pyrrole 2,3,-DioxygenaseMolecular WeightPeptidesBacterial ProteinsSubstrate SpecificityStructure-Activity RelationshipAmino Acids, Branched-ChainDNAProtein Structure, SecondaryPhenylalanineRNA, MessengerElectrophoresis, Polyacrylamide GelAmino Acids, SulfurCell LineAnthranilate Synthaseortho-AminobenzoatesAlanineCircular DichroismChromatography, High Pressure LiquidRestriction MappingProteinsLysineDNA PrimersRecombinant Fusion ProteinsGenes, BacterialCattlePhylogenySequence Analysis, DNAMacromolecular SubstancesSpecies SpecificityImmunoglobulin Light ChainsConserved SequenceCarrier ProteinsTrypsinPlasmidsIsoleucineImmunoglobulin Heavy ChainsGenesGlycineCodonMethionineCyanogen BromideBiological TransportLiverProtein BiosynthesisArgininePoint MutationHydrogen-Ion ConcentrationCysteineMagnetic Resonance SpectroscopyAcrylamideSaccharomyces cerevisiaeAmino Acid Transport Systems, BasicReverse Transcriptase Polymerase Chain ReactionCatalysisChromatography, GelSerotoninTranscription, GeneticMutagenesisTyrosineMembrane ProteinsGlutamineRabbitsProlineTemperatureValine