CystinuriaAmino Acids, DiaminoAmino Acid Transport Systems, BasicCystineAmino AcidsAmino Acid Transport SystemsLysineArginineAmino Acid SequenceBiological TransportMolecular Sequence DataSequence Homology, Amino AcidAmino Acid SubstitutionCloning, MolecularAmino Acids, EssentialSequence AlignmentKineticsBase SequenceEscherichia coliAmino Acid MotifsMutationBinding SitesMutagenesis, Site-DirectedDNA, ComplementaryLeucineAmino Acids, AromaticRecombinant ProteinsSequence Homology, Nucleic AcidAmino Acids, Branched-ChainPeptide FragmentsAmino Acids, SulfurProtein ConformationModels, MolecularStructure-Activity RelationshipCell LineBacterial ProteinsProtein BindingProtein Structure, TertiaryPeptidesSubstrate SpecificityDNACarrier ProteinsMolecular WeightRestriction MappingAlanineRNA, Messenger