RALP1 is localized at the moving junction during invasion. RALP1 colocalizes with the moving-junction marker (RON4) from the early through the mid and late stages of invasion (A). RAP1 is used as a PV marker (B). Scale bars represent 5 μm. DIC, differential interference contrast. Ito D, Hasegawa T, Miura K, Yamasaki T, Arumugam TU, Thongkukiatkul A, Takeo S, Takashima E, Sattabongkot J, Han ET, Long CA, Torii M, Tsuboi T. RALP1 is a rhoptry neck erythrocyte-binding protein of Plasmodium falciparum merozoites and a potential blood-stage vaccine candidate antigen. Infect Immun. 2013 PMID: 24002067