Mutant Chimeric ProteinsRecombinant Fusion ProteinsMolecular Sequence DataAmino Acid SequenceBase SequenceCell LineEscherichia coliMutant ProteinsProtein Structure, TertiaryMutagenesis, Site-DirectedChimeraPlasmidsTransfectionBacterial ProteinsMutationBinding SitesCloning, MolecularSequence Homology, Amino AcidProtein BindingGenetic Complementation TestPhenotypeDNA-Binding ProteinsTranscription FactorsDNA PrimersMembrane Proteins