5OUH:
reference: An allosteric binding site of the alpha7 nicotinic acetylcholine receptor revealed in a humanized acetylcholine binding protein., Delbart F, Brams M, Gruss F, Noppen S, Peigneur S, Boland S, Chaltin P, Brandao-Neto J, von Delft F, Touw WG, Joosten R, Liekens S, Tytgat J, Ulens C, J Biol Chem. 2017 Dec 13. pii: M117.815316. doi: 10.1074/jbc.M117.815316. PMID: 29237730

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