Amino Acids, Branched-ChainAmino AcidsPowdersIsoleucineLeucineValineKeto AcidsMaple Syrup Urine DiseaseTransaminasesParenteral NutritionSequence Homology, Amino AcidHepatic EncephalopathyAmmoniaAmino Acid SequenceNitrogenAmino Acid SubstitutionKineticsCloning, MolecularSarcoma, YoshidaMolecular Sequence DataInsulinAmino Acids, EssentialPolymerase Chain ReactionLiverGlucoseBase SequenceAmino Acid Transport SystemsSequence AlignmentAmino Acids, AromaticDry Powder InhalersProteinsParenteral Nutrition, TotalEscherichia coliMutationBinding SitesAmino Acid MotifsProtein ConformationModels, MolecularPeptide FragmentsDNA, ComplementarySequence Homology, Nucleic AcidRecombinant ProteinsMutagenesis, Site-DirectedMolecular WeightProtein BindingDNAProtein Structure, TertiaryRNA, MessengerPeptidesAmino Acids, SulfurPowder DiffractionSubstrate SpecificityCell LineElectrophoresis, Polyacrylamide GelBacterial ProteinsStructure-Activity RelationshipRestriction MappingImmunoglobulin Light ChainsPhylogenySequence Analysis, DNARecombinant Fusion ProteinsDNA PrimersProtein Structure, SecondaryChromatography, High Pressure LiquidAlanineImmunoglobulin Heavy ChainsGenes, BacterialCattleGlutamineSpecies SpecificityLysinePhenylalanineConserved SequenceCarrier ProteinsAmino Acid Transport Systems, BasicCyanogen BromideTrypsinProtein BiosynthesisMacromolecular SubstancesPlasmidsCodonGenesAmino Acids, BasicDietary ProteinsReverse Transcriptase Polymerase Chain ReactionBiological TransportAspartic AcidGlycineTryptophanGene LibraryGene ExpressionPoint MutationMethionineTransfectionArginineSaccharomyces cerevisiaeTranscription, GeneticMembrane ProteinsOpen Reading FramesSequence Deletion