PfCor-N organizes F-actin into bundles and higher order sheets and networks. TEM of F-actin (2 μM) alone (a) or in presence of 0.2 μM PfCor-N (b, top three panels) and 1 μM PfCor-N (b, lower panel). Scale bars 50 nm (a), 100 nm (b). c–f Confocal micrographs of Phalloidin-488 labelled F-actin (1.5 μM) (c) alone, or in the presence of d 0.5 μM α-actinin, (e–f) 0.5 μM PfCor-N. Scale bars 10 μm.