2KJA:
reference: Solution structure of Cn5, a crustacean toxin found in the venom of the scorpions Centruroides noxius and Centruroides suffusus suffusus., Corzo G, Prochnicka-Chalufour A, Garcia BI, Possani LD, Delepierre M, Biochim Biophys Acta. 2009 Nov;1794(11):1591-8. Epub 2009 Jul 21. PMID: 19631296

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