Amino Acids, EssentialHistidineAmino AcidsDietary ProteinsLeucineSequence Homology, Amino AcidNitrogenBuchneraAmino Acid SequencePhenylalanineKeto AcidsIsoleucineNutritional RequirementsAmino Acid Transport SystemsMethionineTryptophanHistidinolAmino Acids, Branched-ChainLysineMolecular Sequence DataHistidine DecarboxylaseAmino Acid SubstitutionGlutamineAphidsCloning, MolecularBromusThreonineMutagenesis, Site-DirectedCaseinsValineBinding SitesArginineBase SequenceAmino Acids, AromaticSymbiosisKineticsEscherichia coliSequence AlignmentDietMutationIndoleamine-Pyrrole 2,3,-DioxygenaseMuscle ProteinsNutritive ValueZeinUreaKynurenineLarge Neutral Amino Acid-Transporter 1Models, MolecularBacterial ProteinsCryptophytaDiethyl PyrocarbonateProtein BiosynthesisParenteral NutritionRecombinant ProteinsProtein ConformationProteinsProtein Structure, TertiaryAlanineDiet, Protein-RestrictedSubstrate SpecificityStructure-Activity RelationshipBlood Urea NitrogenSwineDietary SupplementsAnimal Nutritional Physiological PhenomenaGlycineProtein BindingAspartic AcidCattleCystineBody WeightSaccharopine DehydrogenasesPhylogenyHistidine Ammonia-LyaseCysteineCarbon IsotopesConserved SequenceLiverTOR Serine-Threonine KinasesMilk ProteinsCulture MediaVegetable ProteinsUremiaAmino Acid MotifsMuscle, SkeletalTrypanosomatinaCell LineRNA, MessengerNutritional Physiological PhenomenaDigestionGenes, BacterialBiological TransportAnimal FeedProlineProtein DeficiencyCatalysisTryptophan OxygenaseProtein KinasesSequence Analysis, DNATyrosine