Surface of an erythrocyte infected with P. falciparum which has been stained with McAb P3-9B. Gold particles (arrow) are associated with knobs (K), x 54,000.
Ardeshir F, Flint JE, Matsumoto Y, Aikawa M, Reese RT, Stanley H. cDNA sequence encoding a Plasmodium falciparum protein associated with knobs and localization of the protein to electron-dense regions in membranes of infected erythrocytes. EMBO J. 1987 6:1421-7.