title: Calcium/proton and sodium/proton antiport systems in Escherichia coli.
mesh_terms: D000817:Anilino Naphthalenesulfonates; D001693:Biological Transport, Active; D002118:Calcium / Q000378:metabolism*; D004926:Escherichia coli / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D012964:Sodium / Q000378:metabolism*; D013050:Spectrometry, Fluorescence
chemical_list: D000817:Anilino Naphthalenesulfonates; D012964:Sodium; D002118:Calcium