Amino Acids, EssentialAmino AcidsDietary ProteinsLeucineNitrogenSequence Homology, Amino AcidBuchneraKeto AcidsPhenylalanineInfant, PrematureInfant, NewbornIsoleucineNutritional RequirementsAmino Acid SequenceAmino Acid Transport SystemsMethionineAmino Acids, Branched-ChainTryptophanLysineHistidinolAmino Acid SubstitutionAphidsGlutamineBromusInfant, Premature, DiseasesInfant CareThreonineInfant FoodMolecular Sequence DataCloning, MolecularCaseinsValineSymbiosisAmino Acids, AromaticDietArginineInfant Nutritional Physiological PhenomenaIndoleamine-Pyrrole 2,3,-DioxygenaseNutritive ValueMuscle ProteinsBase SequenceMutagenesis, Site-DirectedZeinSequence AlignmentInfant FormulaKynurenineLarge Neutral Amino Acid-Transporter 1Parenteral NutritionUreaCryptophytaEscherichia coliInfant BehaviorKineticsBinding SitesMutationProtein BiosynthesisDietary SupplementsDiet, Protein-RestrictedBody WeightInfant MortalityProteinsHistidineBlood Urea NitrogenSwineSudden Infant DeathInfant, Newborn, DiseasesRecombinant ProteinsAnimal Nutritional Physiological PhenomenaMilk ProteinsSaccharopine DehydrogenasesCystineVegetable ProteinsAlanineTOR Serine-Threonine KinasesCulture MediaSubstrate SpecificityModels, MolecularGlycinePhylogenyNutritional Physiological PhenomenaCattleTrypanosomatinaProtein Structure, TertiaryMuscle, SkeletalLiverBacterial ProteinsCarbon IsotopesUremiaStructure-Activity RelationshipProtein ConformationDigestionProtein DeficiencyRNA, MessengerAnimal FeedFood, FortifiedCell LinePregnancyAmino Acid MotifsTryptophan OxygenaseAspartic Acid