3LU9:
reference: Crystal structure of thrombin bound to the uncleaved extracellular fragment of PAR1., Gandhi PS, Chen Z, Di Cera E, J Biol Chem. 2010 May 14;285(20):15393-8. Epub 2010 Mar 17. PMID: 20236938

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