Amino AcidsSequence Homology, Amino AcidAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularMolecular Sequence DataBase SequenceAmino Acids, EssentialBinding SitesAmino Acid Transport SystemsKineticsSequence AlignmentMutationModels, MolecularEscherichia coliProtein ConformationProtein BindingAmino Acid MotifsCell Adhesion MoleculesRecombinant ProteinsPeptide FragmentsMutagenesis, Site-DirectedCell LineStructure-Activity RelationshipMolecular WeightDNA, ComplementaryProtein Structure, TertiaryPeptidesDNASequence Homology, Nucleic AcidSubstrate SpecificityNeutral RedLeucineBacterial ProteinsAmino Acids, AromaticElectrophoresis, Polyacrylamide GelAmino Acids, Branched-ChainProteinsRNA, MessengerRecombinant Fusion ProteinsAmino Acids, SulfurHydrogen-Ion ConcentrationProtein Structure, SecondaryCarrier ProteinsAmino Acids, NeutralPhylogenyRestriction MappingCattleChromatography, High Pressure LiquidPlasmidsAlanineSequence Analysis, DNANeutral CeramidaseSpecies SpecificityBiological TransportDNA PrimersMembrane ProteinsGenes, BacterialCells, CulturedTransfectionConserved SequenceLysineAmino Acid Transport Systems, BasicCell MembraneTrypsinMacromolecular SubstancesIsoleucineMolecular StructureSignal TransductionPolymerase Chain ReactionEpitopesGene ExpressionTranscription, GeneticGenesRabbitsGlycineCodonSaccharomyces cerevisiaeProtein BiosynthesisHydrolysisChromatography, GelEvolution, MolecularCyanogen BromideAntibodies, MonoclonalAmino Acids, BasicSmall Molecule LibrariesTemperatureCrystallography, X-RayCysteineArginineSequence DeletionMutagenesisTryptophanAmino Acids, DiaminoPhenylalanineGene LibraryGlutaminePoint MutationCricetinaeProline