title: Bacterial periplasmic transport systems: structure, mechanism, and evolution.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D001419:Bacteria / Q000235:genetics / Q000378:metabolism*; D005075:Biological Evolution; D001693:Biological Transport, Active; D002352:Carrier Proteins / Q000378:metabolism; D004734:Energy Metabolism; D005798:Genes, Bacterial; D026901:Membrane Transport Proteins / Q000235:genetics / Q000378:metabolism*; D008566:Membranes / Q000378:metabolism; D008954:Models, Biological; D009997:Osmotic Pressure
chemical_list: D002352:Carrier Proteins; D026901:Membrane Transport Proteins; D000255:Adenosine Triphosphate