5T90:
reference: Structural mechanisms for alpha-conotoxin activity at the human alpha3beta4 nicotinic acetylcholine receptor., Abraham N, Healy M, Ragnarsson L, Brust A, Alewood PF, Lewis RJ, Sci Rep. 2017 Mar 31;7:45466. doi: 10.1038/srep45466. PMID: 28361878

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).