1SBW:
reference: Crystal structure of mung bean inhibitor lysine active fragment complex with bovine beta-trypsin at 1.8A resolution., Zhu Y, Huang Q, Chi C, J Biomol Struct Dyn 1999 Jun;16(6):1219-24. PMID: 10447205

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