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. 2013 Jan;141(1):85–94. doi: 10.1085/jgp.201210864

Figure 7.

Figure 7.

Effects of PKA inhibition on isoproterenol stimulation of IBa,L. (A and B) Effect of PKI perfusion on isoproterenol (Iso) stimulation of peak IBa,L before (black) and after 1 µM isoproterenol and PKI (PKA inhibitor 14–22 amide, 5 µM myristoylated peptide [n = 5]; green; A) and I-V relationship (*, P < 0.05; B). Calibration bar: 2.5 pA/pF, 50 ms. The dotted line in A represents zero current level. Data are presented as mean ± SEM (some errors are smaller than the symbols).