1JY6:
reference: Design and construction of an open multistranded beta-sheet polypeptide stabilized by a disulfide bridge., Venkatraman J, Nagana Gowda GA, Balaram P, J Am Chem Soc 2002 May 8;124(18):4987-94. PMID: 11982362

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