1TIE:
reference: Crystal structure of a Kunitz-type trypsin inhibitor from Erythrina caffra seeds., Onesti S, Brick P, Blow DM, J Mol Biol 1991 Jan 5;217(1):153-76. PMID: 1988676

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