Research Article

An In Silico Study of the Interactions of Alkaloids from Cryptolepis sanguinolenta with Plasmodium falciparum Dihydrofolate Reductase and Dihydroorotate Dehydrogenase

Figure 4

3D X-ray crystal structures of ligands in the DHFR variants. (a) Pyrimethamine in the wild-type DHFR; (b) pyrimethamine in the double mutant DHFR; (c) WR99210 in the quadruple mutant DHFR.
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(b)
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