Figure 8. Representative excised-patch current recordings showing WT, 1-432+433-1480, 1-633+634-1480, Flag-WT, Flag3-432+433-1480, and Flag3-633+634-1480 CFTR channels. All constructs displayed hallmark characteristics of WT CFTR including requirement for phosphorylation by PKA (here 300 nM) and exposure to MgATP (here 1 mM for WT, 2 mM for others) for channel activity, slow burst kinetics, and locking in the open state by a mixture of ATP (0.1 mM) and PPi (2 mM).
Image published in: Chan KW et al. (2000)
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