2BEB:
reference: Spacer Asn Determines the Fate of Kunitz (STI) Inhibitors, as Revealed by Structural and Biochemical Studies on WCI Mutants., Dasgupta J, Khamrui S, Dattagupta JK, Sen U, Biochemistry. 2006 Jun 6;45(22):6783-92. PMID: 16734415

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