2FZD:
reference: Expect the Unexpected or Caveat for Drug Designers: Multiple Structure Determinations Using Aldose Reductase Crystals Treated under Varying Soaking and Co-crystallisation Conditions., Steuber H, Zentgraf M, Gerlach C, Sotriffer CA, Heine A, Klebe G, J Mol Biol. 2006 Oct 13;363(1):174-87. Epub 2006 Aug 9. PMID: 16952371

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