Chemicals/CAS: amino acid, 65072-01-7; prourokinase, 82657-92-9; thrombin, 9002-04-4; thrombomodulin, 112049-68-0; Enzyme Precursors; Receptors, Cell Surface; Receptors, Thrombin; saruplase, 99149-95-8; Thrombin, EC 3.4.21.5; Urinary Plasminogen Activator, EC 3.4.21.73