Amino Acids, EssentialAmino AcidsSequence Homology, Amino AcidAmino Acid SequenceLeucineDietary ProteinsAmino Acid SubstitutionAmino Acid Transport SystemsNitrogenCloning, MolecularPhenylalanineIsoleucineKeto AcidsBuchneraAmino Acids, Branched-ChainMolecular Sequence DataMethionineNutritional RequirementsTryptophanBase SequenceLysineSequence AlignmentAmino Acids, AromaticPolymerase Chain ReactionGlutamineBinding SitesEscherichia coliMutationKineticsHistidinolMutagenesis, Site-DirectedThreonineValineAphidsArginineModels, MolecularCaseinsRecombinant ProteinsProtein ConformationBromusAmino Acid MotifsSubstrate SpecificityProtein Structure, TertiaryRNA, MessengerProteinsProtein BiosynthesisSymbiosisPeptide FragmentsCell LineDNA, ComplementaryProtein BindingDietMuscle ProteinsLarge Neutral Amino Acid-Transporter 1Bacterial ProteinsAlanineSequence Homology, Nucleic AcidPhylogenyCattleStructure-Activity RelationshipUreaNutritive ValueIndoleamine-Pyrrole 2,3,-DioxygenaseSwineGlycineZeinDNA PrimersSequence Analysis, DNAMolecular WeightKynurenineDNAAmino Acids, SulfurConserved SequenceHistidinePeptidesParenteral NutritionGenes, BacterialLiverBiological TransportChromatography, High Pressure LiquidCryptophytaAspartic AcidCystineProlineElectrophoresis, Polyacrylamide GelCulture MediaCysteineRestriction MappingCarbon IsotopesDiet, Protein-RestrictedImmunoglobulin Light ChainsRecombinant Fusion ProteinsBlood Urea NitrogenMuscle, SkeletalProtein Structure, SecondaryAnimal Nutritional Physiological PhenomenaDietary SupplementsBody WeightImmunoglobulin Heavy ChainsTOR Serine-Threonine Kinases