3AZV:
reference: Structural and mutational analyses of the receptor binding domain of botulinum D/C mosaic neurotoxin: insight into the ganglioside binding mechanism., Nuemket N, Tanaka Y, Tsukamoto K, Tsuji T, Nakamura K, Kozaki S, Yao M, Tanaka I, Biochem Biophys Res Commun. 2011 Jul 29;411(2):433-9. Epub 2011 Jul 2. PMID: 21749855

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