3KRB:
reference: Structure of aldose reductase from Giardia lamblia., Ferrell M, Abendroth J, Zhang Y, Sankaran B, Edwards TE, Staker BL, Van Voorhis WC, Stewart LJ, Myler PJ, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2011 Sep 1;67(Pt, 9):1113-7. Epub 2011 Aug 16. PMID: 21904059

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