Kidney MedullaPotassium Channels, Inwardly RectifyingLoop of HenleKidney CortexSodium-Potassium-Chloride SymportersKidneyPotassiumSodiumBacterial Outer Membrane ProteinsRats, Sprague-DawleyRod Cell Outer SegmentRetinal Photoreceptor Cell Outer SegmentPhotoreceptor CellsEscherichia coliCell MembraneBacterial ProteinsMembrane ProteinsMolecular Sequence DataAmino Acid SequenceMicroscopy, ElectronRetinaMitochondrial MembranesIntracellular MembranesEscherichia coli ProteinsElectrophoresis, Polyacrylamide GelAntigens, Bacterial