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Figure 5. . Cu/P produced two populations of channels in 418C. Single channel currents measured at +50 mV were recorded before and after a 10-min treatment with Cu/P plus 2 mM cGMP for 418C (A and B) and CNGA1cysless channels (C). For 418C, 4 μM cGMP was used to activate the channels, and for CNGA1cysless, 2 μM cGMP was used to activate the channels. All-points histograms were made from the data collected under each condition (right, in all cases >5 s of data was used). Image published in: Hua L and Gordon SE (2005) Copyright © 2005, The Rockefeller University Press. Creative Commons Attribution-NonCommercial-ShareAlike license Larger Image Printer Friendly View

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