Staphylococcal Protein AImmunosorbentsImmunoglobulin GStaphylococcus aureusAntigen-Antibody ComplexMembranesBinding Sites, AntibodyMembrane LipidsCell MembraneStaphylococcusImmunoglobulin Fc FragmentsIntracellular MembranesMembrane PotentialsSepharoseMembranes, ArtificialBacterial ProteinsAntibody SpecificityImmunoglobulin MRheumatoid FactorAmino Acid SequenceRecombinant Fusion ProteinsMolecular Sequence DataStaphylococcal InfectionsReceptors, FcErythrocyte MembraneMembrane FluidityEscherichia coliRabbitsImmunoglobulin Variable RegionImmunoglobulinsElectrophoresis, Polyacrylamide GelPlasmidsProtein Structure, TertiaryBinding SitesCell Membrane PermeabilityAntibodiesBasement MembraneProtein BindingImmune SeraMolecular WeightProtein Folding