Abstract
Thrombosis is a dangerous condition that can result in major damage. Fibrinolytic enzymes are significant therapeutic agents for thrombosis. This study focused on MsFE, a fibrinolytic protease from M. subtilissimus UCP1262, exploring its physicochemical traits and the impact of gamma radiation on its activity. Investigations included: fibrinogenolytic activity, effects of solvents and ions, gamma rays, enzyme shelf life, FTIR, CD, clotted times determination, and enzymatic kinetics. Notably, the major results obtained show the protease retained 90 % activity in organic solvents, FTIR indicated carbonyl functional groups and Circular dichroism spectroscopic studies indicated that the secondary structure (β-sheet) of enzyme remains mostly unaffected over pH 2.0–9.0, whereas considerable changes were observed in the tertiary structure. Kinetic analysis revealed altered parameters post-irradiation. Gamma radiation initially enhanced enzyme activity (10 kGy) but progressively decreased beyond 20 kGy. Metallic ions, especially magnesium, augmented irradiated enzyme activity. This study highlights gamma radiation's potential as a modulator for enhanced fibrinolytic activity, suggesting future biomedical applications.
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