1HLE:
reference: Crystal structure of cleaved equine leucocyte elastase inhibitor determined at 1.95 A resolution., Baumann U, Bode W, Huber R, Travis J, Potempa J, J Mol Biol 1992 Aug 20;226(4):1207-18. PMID: 1518052

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