5BRR:
reference: Crystal Structure of the Michaelis Complex between Tissue-type Plasminogen Activator and Plasminogen Activators Inhibitor-1., Gong L, Liu M, Zeng T, Shi X, Yuan C, Andreasen PA, Huang M, J Biol Chem. 2015 Aug 31. pii: jbc.M115.677567. PMID: 26324706

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