Larger Image Fig. 1. Whole-cell KATP current. Mean steady state whole-cell currents evoked by voltage steps from −10 to −30 mV before (control, white bars) and after application of 3 mmol/l azide (grey bars) and in the presence of 3 mmol/l azide plus 0.5 mmol/l tolbutamide (black bars). The number of oocytes was five to seven in each case. G, KATP conductance; Gc, KATP conductance expressed relative to the conductance in the absence of the nucleotide. WT, wild-type; hetL164P and homL164P channels as indicated Image published in: Tammaro P et al. (2008) Image downloaded from an Open Access article in PubMed Central. © The Author(s) 2008 Permanent Image Page Printer Friendly View XB-IMG-122819