2M3N:
reference: Therapeutic Potential of the Peptide Leucine Arginine As a New Nonplant Bowman-Birk-Like Serine Protease Inhibitor., Rothemund S, Sonnichsen FD, Polte T, J Med Chem. 2013 Aug 29. PMID: 23988198

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