Schematic diagram of the predicted translation products of six MB2 genes. The letters B, A and G label the respective domains of PfMB2. The boundaries of these domains are delimited by thin vertical lines. Shaded bars represent conserved regions, three of which, S1, A1, and A2 are labeled in PfMB2. Vertical lines interrupting the horizontal lines or contained within the boxes indicate regions containing repeated amino acid sequences. Numbers on the right indicate the number of amino acids in each product. Abbreviations: Pf, Plasmodium falciparum; Pk, P. knowlesi; Pg, P. gallinaceum; Py, P. yoelii; Pb, P. berghei and Pc, P. chabaudi.