3I65 Plasmodium falciparum dihydroorotate dehydrogenase bound with triazolopyrimidine-based inhibitor DSM1 Plasmodium falciparum 3D7 6E0B Plasmodium falciparum dihydroorotate dehydrogenase C276F mutant bound with triazolopyrimidine-based inhibitor DSM1 Plasmodium falciparum (isolate 3D7)