4KYP:
reference: Chaperone-mediated native folding of a beta-scorpion toxin in the periplasm of Escherichia coli., O'Reilly AO, Cole AR, Lopes JL, Lampert A, Wallace BA, Biochim Biophys Acta. 2014 Jan;1840(1):10-5. doi: 10.1016/j.bbagen.2013.08.021., Epub 2013 Aug 30. PMID: 23999087

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