||Frog Rana pipiens
||Stein, Wilfred D., Channels, carriers and pumps An introduction to Membrane Transport, 1990 Academic press inc. Harcourt Brace Jovanovich, Publishers pp.93
||Dwyer TM, Adams DJ, Hille B. The permeability of the endplate channel to organic cations in frog muscle. J Gen Physiol. 1980 May75(5):469-92.PubMed ID6247422
||Hypothetical cross sections of three ion channels were drawn on the basis of ion permeability data.
||Conductance of channel is 4 pS