3K2H:
reference: Inhibitor-bound complexes of dihydrofolate reductase-thymidylate synthase from Babesia bovis., Begley DW, Edwards TE, Raymond AC, Smith ER, Hartley RC, Abendroth J, Sankaran B, Lorimer DD, Myler PJ, Staker BL, Stewart LJ, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2011 Sep 1;67(Pt, 9):1070-7. Epub 2011 Aug 16. PMID: 21904052

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