3VNW:
reference: Snapshots of a protein folding intermediate., Yamada S, Bouley Ford ND, Keller GE, Ford WC, Gray HB, Winkler JR, Proc Natl Acad Sci U S A. 2013 Jan 29;110(5):1606-10. doi:, 10.1073/pnas.1221832110. Epub 2013 Jan 14. PMID: 23319660

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