Fig. 5. Inhibition of human ether-a-go-go–related gene (HERG) and different homomeric and heteromeric KCNQ1 channel complexes expressed in  Xenopus laevis oocytes by 1 μm terfenadine. * Significant difference between channels without and with KCNE1. # Significant differences compared with KCNQ1^wt.