Amino AcidsInfant, NewbornSequence Homology, Amino AcidAnimals, NewbornRaffinoseAmino Acid SequenceAmino Acid SubstitutionOrgan Preservation SolutionsCloning, MolecularAmino Acids, EssentialInfant, Newborn, DiseasesAmino Acid Transport SystemsAllopurinolSequence AlignmentBase SequenceNeonatal ScreeningOrgan PreservationAmino Acid MotifsEscherichia coliMutationMolecular Sequence DataBinding SitesSequence Homology, Nucleic AcidMutagenesis, Site-DirectedDNA, ComplementaryAmino Acids, AromaticKineticsPeptide FragmentsAmino Acids, Branched-ChainRecombinant ProteinsAmino Acids, SulfurLeucineProtein ConformationModels, MolecularStructure-Activity RelationshipDNASequence Analysis, DNAProtein Structure, TertiaryPhylogenyPeptidesSubstrate SpecificityMolecular WeightPregnancyProtein BindingBacterial ProteinsRestriction MappingCell LineRNA, MessengerPolymerase Chain ReactionProteinsRecombinant Fusion ProteinsGenes, BacterialAlanineElectrophoresis, Polyacrylamide GelCattleChromatography, High Pressure LiquidTime FactorsPlasmidsSpecies SpecificitySwineAmino Acid Transport Systems, BasicProtein Structure, SecondaryDNA PrimersIsoleucineConserved SequenceLysineAmino Acids, BasicCarrier ProteinsLiverCodonDNA, BacterialGlycineIllinoisTrypsinBiological TransportCyanogen BromideGlutamineGenesAmino Acids, DiaminoOpen Reading FramesProtein BiosynthesisArginineMethionineValineGene LibrarySequence DeletionNitrogenProcaineExcitatory Amino AcidsBlastomycosisPhenylalanineAspartic AcidSequence AnalysisSaccharomyces cerevisiaePoint MutationProlinePopulation SurveillanceMembrane ProteinsMutagenesisTranscription, Genetic