Amino AcidsSequence Homology, Amino AcidSubstance PAmino Acid SequenceChromatography, High Pressure LiquidAmino Acid SubstitutionCloning, MolecularAmino Acids, EssentialAmino Acid Transport SystemsChromatography, LiquidIonic LiquidsSequence AlignmentBase SequenceMolecular Sequence DataKineticsMutationSubstance-Related DisordersEscherichia coliAmino Acid MotifsBinding SitesPeptide FragmentsMutagenesis, Site-DirectedLiquid CrystalsDNA, ComplementaryNeutral RedRecombinant ProteinsProtein ConformationModels, MolecularSequence Homology, Nucleic AcidAmino Acids, AromaticMolecular WeightLeucinePeptidesStructure-Activity RelationshipAmino Acids, Branched-ChainSubstrate SpecificityAmino Acids, SulfurDNAHydrogen-Ion ConcentrationProtein BindingBacterial ProteinsProtein Structure, TertiaryCell LineAmino Acids, NeutralElectrophoresis, Polyacrylamide GelNeutral CeramidasePhylogenyProteinsAlanineCattleRestriction MappingMass SpectrometrySequence Analysis, DNASpecies SpecificityRNA, MessengerReceptors, Neurokinin-1Genes, BacterialRecombinant Fusion ProteinsAmino Acid Transport Systems, BasicBiological TransportProtein Structure, SecondaryPlasmidsSubstance Abuse Treatment CentersCarrier ProteinsLysineTrypsinConserved SequenceDNA PrimersIsoleucineGlycineRabbitsNitrogenArginineAmino Acids, BasicChromatography, GelCodonTemperatureTime FactorsCyanogen BromideAmino Acids, DiaminoHydrolysisGlutamineChromatography, Ion ExchangePolymerase Chain ReactionSwineEvolution, MolecularTryptophanMethioninePhenylalanineGenesNeprilysinAspartic AcidSaccharomyces cerevisiaeValineCysteineOpen Reading FramesProlineProtein BiosynthesisMembrane ProteinsEndopeptidases