1JRR:
reference: Crystal structure of the complex of plasminogen activator inhibitor 2 with a peptide mimicking the reactive center loop., Jankova L, Harrop SJ, Saunders DN, Andrews JL, Bertram KC, Gould AR, Baker MS, Curmi PM, J Biol Chem 2001 Nov 16;276(46):43374-82. PMID: 11546761

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