Figure 4.

Equi-activity plot of fengycin-induced leakage in vesicles of POPC (open) and of POPC/20% CHOL (solid). Fengycin (blue circles) and surfactin (black squares) concentrations required to cause efflux, E, of 10% as a function of the POPC concentration. Lines are linear fits using Eq. 5. Note that for surfactins open and solid squares coincide. Refer to Fig. 3 for corresponding leakage experiments. To see this figure in color, go online.