title: Alteration in properties of thymidylate synthetase from pyrimethamine-resistant Plasmodium chabaudi.
mesh_terms: D000818:Animals; D004352:Drug Resistance, Microbial; D010961:Plasmodium / Q000187:drug effects / Q000201:enzymology*; D011739:Pyrimethamine / Q000494:pharmacology*; D013940:Thymidylate Synthase / Q000378:metabolism*
chemical_list: D013940:Thymidylate Synthase; D011739:Pyrimethamine