3KRS:
reference: Structure of triosephosphate isomerase from Cryptosporidium parvum., Nguyen TN, Abendroth J, Leibly DJ, Le KP, Guo W, Kelley A, Stewart L, Myler PJ, Van Voorhis WC, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2011 Sep 1;67(Pt, 9):1095-9. Epub 2011 Aug 16. PMID: 21904056

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