Carboxypeptidase U Wikipedia
Carboxypeptidase U (EC 188.8.131.52, arginine carboxypeptidase, carboxypeptidase R, plasma carboxypeptidase B, thrombin-activatable fibrinolysis inhibitor) is an enzyme. This enzyme catalyses the following chemical reaction
Release of C-terminal Arg and Lys from a polypeptide
Pro-carboxypeptidase U in (human) plasma is activated by thrombin or plasmin during clotting to form the unstable carboxypeptidase U.