6LEV:
reference: Flexible diaminodihydrotriazine inhibitors of Plasmodium falciparum dihydrofolate reductase: Binding strengths, modes of binding and their antimalarial activities., Kamchonwongpaisan S, Charoensetakul N, Srisuwannaket C, Taweechai S, Rattanajak R, Vanichtanankul J, Vitsupakorn D, Arwon U, Thongpanchang C, Tarnchompoo B, Vilaivan T, Yuthavong Y, Eur J Med Chem. 2020 Jun 1;195:112263. doi: 10.1016/j.ejmech.2020.112263. Epub, 2020 Mar 25. PMID: 32294614

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