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Figure 3. Open-time histograms at 7 and 700 μM cGMP and +50 and −50 mV each. The data were obtained from a multichannel patch at 7 μM cGMP and a single-channel patch at 700 μM cGMP. The distributions were fitted with sums of two exponentials yielding the indicated contributions An and open-time constants τn. The combination of high [cGMP] and positive voltage caused a dramatic prolongation of both time constants. Filter, 2 kHz. Image published in: Benndorf K et al. (1999) © 1999 The Rockefeller University Press. Creative Commons Attribution-NonCommercial-ShareAlike license Larger Image Printer Friendly View |