4NP4:
reference: Mechanism of action and epitopes of the Clostridium difficile toxin B neutralizing antibody bezlotoxumab revealed by x-ray crystallography., Orth P, Xiao L, Hernandez LD, Reichert P, Sheth P, Beaumont M, Yang X, Murgolo N, Ermakov G, DiNunzio E, Racine F, Karczewski J, Secore S, Ingram RN, Mayhood T, Strickland C, Therien AG, J Biol Chem. 2014 May 12. pii: jbc.M114.560748. PMID: 24821719

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