3ZKR:
reference: Multisite Binding of a General Anesthetic to the Prokaryotic Pentameric Erwinia chrysanthemi Ligand-gated Ion Channel (ELIC)., Spurny R, Billen B, Howard RJ, Brams M, Debaveye S, Price KL, Weston DA, Strelkov SV, Tytgat J, Bertrand S, Bertrand D, Lummis SC, Ulens C, J Biol Chem. 2013 Mar 22;288(12):8355-64. doi: 10.1074/jbc.M112.424507. Epub 2013, Jan 30. PMID: 23364792

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