2LU6:
reference: Design of bioactive peptides from naturally occurring mu-conotoxin structures., Stevens M, Peigneur S, Dyubankova N, Lescrinier E, Herdewijn P, Tytgat J, J Biol Chem. 2012 Sep 7;287(37):31382-92. doi: 10.1074/jbc.M112.375733. Epub 2012, Jul 6. PMID: 22773842

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