Amino AcidsSequence Homology, Amino AcidBase SequenceAmino Acid SequenceAcid-Base EquilibriumAllelic ImbalanceAcid-Base ImbalanceBase PairingAmino Acid SubstitutionCloning, MolecularMolecular Sequence DataBinding SitesModels, MolecularAmino Acids, EssentialKineticsEscherichia coliCytosineSequence AlignmentMutationNucleic AcidsDNAGuanineHydrogen-Ion ConcentrationAmino Acid Transport SystemsMutagenesis, Site-DirectedCatalysisCarbocysteineSubstrate SpecificityProtein ConformationAmino Acid MotifsStructure-Activity RelationshipPurinesAlkalosisHydrogen BondingProtein BindingSequence Homology, Nucleic AcidAdenineAcidosisDNA, ComplementaryAlkaliesPeptidesProtein Structure, TertiaryBacterial ProteinsAmino Acids, Branched-ChainAmino Acids, AromaticRecombinant ProteinsPeptide FragmentsBicarbonatesAmino Acids, SulfurCrystallography, X-RayLeucineDNA, B-FormDNA, BacterialAlkalosis, RespiratoryBase CompositionRestriction MappingCatalytic DomainUracilRNA, MessengerNucleic Acid ConformationCell LineMagnetic Resonance SpectroscopyXanthopterinMolecular WeightHistidineSequence Analysis, DNASodium BicarbonateEducation, VeterinaryPhylogenyMolecular StructureHypermediaAcidsModels, ChemicalCysteinePlasmidsGenes, BacterialSkull BaseProteinsSchiff BasesRecombinant Fusion ProteinsThermodynamicsDNA Primersbeta-GlucosidaseAlanineThymineElectrophoresis, Polyacrylamide GelSpecies SpecificityGasesXylosidasesConserved SequencePolymerase Chain ReactionProtein Structure, SecondaryCodonLysineIsoleucineBiocatalysisGlutamic AcidRNACarrier ProteinsChromatography, High Pressure Liquid