2J9A:
reference: Binding structure of the leucine aminopeptidase inhibitor microginin FR1., Kraft M, Schleberger C, Weckesser J, Schulz GE, FEBS Lett. 2006 Dec 22;580(30):6943-7. Epub 2006 Dec 4. PMID: 17157838

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