SymportersPlasma Membrane Neurotransmitter Transport ProteinsChlorellaProton-Phosphate SymportersSodium-Phosphate Cotransporter ProteinsSodium-Glucose Transporter 1Amino Acid Transport SystemsSodiumBiological TransportCarrier ProteinsMembrane Transport ProteinsAmino Acid SequenceMolecular Sequence DataMonosaccharide Transport ProteinsModels, MolecularProtein Structure, SecondaryLeucineXenopus laevisSodium Chloride SymportersBinding SitesBacterial ProteinsOocytesSequence Homology, Amino AcidProtein ConformationKineticsCell MembraneSodium-Bicarbonate SymportersSodium-Potassium-Chloride Symporters