1AN1:
reference: Structure of the complex of leech-derived tryptase inhibitor (LDTI) with trypsin and modeling of the LDTI-tryptase system., Di Marco S, Priestle JP, Structure 1997 Nov 15;5(11):1465-74. PMID: 9384562

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