Amino AcidsSequence Homology, Amino AcidAmino Acid SequenceAmino Acid SubstitutionCloning, MolecularAmino Acids, EssentialAmino Acid Transport SystemsBase SequenceRecombinant ProteinsSequence AlignmentMolecular Sequence DataInterleukin-1Amino Acid MotifsEscherichia coliMutationRNA, MessengerInterleukin-2Binding SitesReceptors, InterleukinKineticsInterleukin-6Mutagenesis, Site-DirectedDNA, ComplementaryCell LineSequence Homology, Nucleic AcidPeptide FragmentsAmino Acids, AromaticAmino Acids, Branched-ChainProtein ConformationAmino Acids, SulfurLeucineDNAModels, MolecularCells, CulturedStructure-Activity RelationshipProtein Structure, TertiaryMolecular WeightProtein BindingPeptidesCytokinesRecombinant Fusion ProteinsSubstrate SpecificityBacterial ProteinsRestriction MappingProteinsInterleukin-4DNA PrimersElectrophoresis, Polyacrylamide GelPlasmidsPhylogenyAlanineSequence Analysis, DNAGene ExpressionGenes, BacterialInterleukin-8InterleukinsInterleukin-10Carrier ProteinsTransfectionPolymerase Chain ReactionSpecies SpecificityProtein Structure, SecondaryConserved SequenceT-LymphocytesAmino Acid Transport Systems, BasicTumor Necrosis Factor-alphaTranscription, GeneticInterleukin 1 Receptor Antagonist ProteinChromatography, High Pressure LiquidLysineIsoleucineAmino Acids, BasicCattleInterferon-gammaCodonGenesReceptors, Interleukin-2Protein BiosynthesisBlotting, NorthernBiological TransportTrypsinMice, Inbred BALB CGene Expression RegulationMembrane ProteinsCyanogen BromideLymphocyte ActivationGlycineMice, Inbred C57BLOpen Reading FramesGlutamineGene LibrarySignal TransductionArginineAmino Acids, DiaminoAntibodies, MonoclonalMethionineSequence DeletionValineDNA-Binding ProteinsExcitatory Amino Acids