Fibrinolysin

**Definition:** A product of the lysis of plasminogen (profibrinolysin) by PLASMINOGEN activators. It is composed of two polypeptide chains, light (B) and heavy (A), with a molecular weight of 75,000. It is the major proteolytic enzyme involved in blood clot retraction or the lysis of fibrin and quickly inactivated by antiplasmins.

**Tree numbers:** - D08.811.277.656.300.760.330 - D08.811.277.656.959.350.330

**Synonyms:** - Glu-Plasmin - Plasmin - Protease F