Drug Targeting and Malaria
The protozoan organism Plasmodium falciparum is a major causative agent of malaria. Phosphopentose epimerase has been implicated in the shikimate pathway, an essential pathway for the propagation of malaria. As the enzyme converts ribulose 5-phosphate into xylulose 5-phosphate, the latter is further metabolized into erythrose 4-phosphate. The shikimate pathway then converts erythrose 4-phosphate into chorismate. It is phosphopentose epimerase which allows Plasmodium falciparum to use erythorse 4-phosphate as a substrate. Due to this enzyme’s involvement in the shikimate pathway, phosphopentose epimerase is a potential drug target for developing antimalarials.
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