Schematic depiction of the primary structure of the two allelic families of MSP2.

<p>The conserved N- and C-terminal regions of MSP2 are in blue, while the allele-specific central region is composed of polymorphic repeats (green) and non-repetitive sequences (pink) as well as dimorphic regions (yellow) that differ between the allelic families but are conserved within them. The position of the conserved disulfide bond in the C-terminal regions is indicated.