Fig. 4From: Polymorphisms in Plasmodium vivax antifolate resistance markers in Afghanistan between 2007 and 2017Structural model of PvDHFR S93H mutation complexed with pyrimethamine. A mutation at position 93 (in yellow circle) is located far away from the binding pocket of pyrimrthamine (in purple circle). This mutation does not have any effect on pyrimethamine bindingBack to article page