1) Fibrinolysin 2) Plasmin 
the inactive precursor of plasmin (=enzyme that catalyses the hydrolysis of peptide bonds at the carbonyl end of lysine or arginine residues).
(from the article `blood`) ...mechanism for dissolving clots after they have been formed. Plasmin is a proteolytic enzyme—a substance that causes breakdown of proteins—derived ... ...is the fibrinolytic (fibrin-splitting) action of plasmin, an enzyme that catalyzes the removal of old fibrin at injury sites and any which may be...
<enzyme> The inactive precursor of plasmin. ... (18 Nov 1997) ... 
(plaz-min´ә-jәn) the inactive precursor of plasmin, occurring in plasma and converted to plasmin by the action of urokinase; see also plasminogen activator. Called also profibrinolysin.
Inactive precursor of plasmin; occurs at 200 mg/l in blood plasma. Contains multiple copies of the kringle domain.
Type: Term Pronunciation: plaz-min′ō-jen Definitions: 1. A precursor of plasmin. There is an autosomal dominant deficiency of plasminogen [MIM*173350] that may promote thrombosis. See: plasmin
[n] - an inactive form of plasmin that occurs in plasma and is converted to plasmin by organic solvents
noun an inactive form of plasmin that occurs in plasma and is converted to plasmin by organic solvents