The role of thrombin's Tyr-Pro-Pro-Trp motif in the interaction with fibrinogen, thrombomodulin, protein C, antithrombin III, and the Kunitz inhibitors - Le Bonniec,B.F.; Guinto,E.R.; MacGillivray,R.T.; Stone,S.R.; Esmon,C.T. (J Biol Chem, 1993)