2X9V:
reference: High-resolution structures of Trypanosoma brucei pteridine reductase ligand complexes inform on the placement of new molecular entities in the active site of a potential drug target., Dawson A, Tulloch LB, Barrack KL, Hunter WN, Acta Crystallogr D Biol Crystallogr. 2010 Dec;66(Pt 12):1334-40. Epub 2010, Nov 16. PMID: 21123874

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