3UIR:
reference: The structure of human microplasmin in complex with textilinin-1, an aprotinin-like inhibitor from the Australian brown snake., Millers EK, Johnson LA, Birrell GW, Masci PP, Lavin MF, de Jersey J, Guddat LW, PLoS One. 2013;8(1):e54104. doi: 10.1371/journal.pone.0054104. Epub 2013 Jan 15. PMID: 23335990

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