1Q2J:
reference: Structural basis for tetrodotoxin-resistant sodium channel binding by mu-conotoxin SmIIIA., Keizer DW, West PJ, Lee EF, Yoshikami D, Olivera BM, Bulaj G, Norton RS, J Biol Chem 2003 Nov 21;278(47):46805-13. Epub 2003 Sep 10. PMID: 12970353

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