1KL8:
reference: NMR structural analysis of alpha-bungarotoxin and its complex with the principal alpha-neurotoxin-binding sequence on the alpha 7 subunit of a neuronal nicotinic acetylcholine receptor., Moise L, Piserchio A, Basus VJ, Hawrot E, J Biol Chem 2002 Apr 5;277(14):12406-17. PMID: 11790782

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