Amino Acid Transport SystemsAmino AcidsMembrane Transport ProteinsViciaMembrane Transport ModulatorsAmino Acid Transport Systems, NeutralSaccharomyces cerevisiaeSequence Homology, Amino AcidPenicillium chrysogenumAmino Acid SequenceAmino Acid Transport Systems, AcidicAmino Acid Transport Systems, BasicNitrogenBiological TransportCloning, MolecularMutationMolecular Sequence DataAmino AlcoholsSaccharomyces cerevisiae ProteinsRhizobium leguminosarumProlineCitrullineAmino Acid SubstitutionBase SequenceFungal ProteinsSaccharomycesKineticsGenetic Complementation TestGenes, FungalVacuolesCarrier ProteinsEscherichia coliCulture MediaCell MembraneAmino Acids, EssentialMembrane ProteinsSymportersSequence AlignmentAmino Acid MotifsBinding SitesMutagenesis, Site-DirectedBacterial ProteinsMonosaccharide Transport ProteinsProtein ConformationLeucineModels, MolecularEscherichia coli ProteinsRecombinant ProteinsDNA, ComplementarySubstrate SpecificitySequence Homology, Nucleic AcidStructure-Activity RelationshipAmino Acids, Branched-ChainPeptide FragmentsAmino Acids, AromaticGenes, BacterialLactoseProtein BindingProtein Structure, TertiaryAmino Acids, SulfurThiogalactosidesMolecular WeightPlasmidsRestriction MappingNucleobase Transport ProteinsPeptidesDNAProtein Structure, SecondaryCell LineBiological Transport, ActiveAlanineRecombinant Fusion ProteinsSequence Analysis, DNAPhylogenyElectrophoresis, Polyacrylamide GelRNA, MessengerHydrogen-Ion ConcentrationLysineSpecies SpecificityProteinsConserved SequenceDNA PrimersAmino Acids, NeutralChromatography, High Pressure LiquidMelibioseCysteineTryptophanGlutamineIsoleucineCattleGenesGlycineCodonAmino Acids, BasicArginineGlucosePhosphoenolpyruvate Sugar Phosphotransferase SystemPhenylalanineValineProtective Devices