1QS3:
reference: NMR solution conformation of an antitoxic analogue of alpha-conotoxin GI: identification of a common nicotinic acetylcholine receptor alpha 1-subunit binding surface for small ligands and alpha-conotoxins., Mok KH, Han KH, Biochemistry 1999 Sep 14;38(37):11895-904. PMID: 10508392

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