title: Gramicidin as an example of a single-filing ionic channel.
mesh_terms: D001665:Binding Sites; D004553:Electric Conductivity; D004594:Electrophysiology; D006096:Gramicidin / Q000378:metabolism*; D007473:Ion Channels; D008954:Models, Biological; D012413:Rubidium / Q000378:metabolism
chemical_list: D007473:Ion Channels; D006096:Gramicidin; D012413:Rubidium