3AJ5:
reference: Molecular diversity of the two sugar-binding sites of the beta-trefoil lectin HA33/C (HA1) from Clostridium botulinum type C neurotoxin., Nakamura T, Tonozuka T, Ito S, Takeda Y, Sato R, Matsuo I, Ito Y, Oguma K, Nishikawa A, Arch Biochem Biophys. 2011 Aug 1;512(1):69-77. Epub 2011 May 26. PMID: 21640703

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