The present invention relates to the use of coagulation proteins and complexes thereof with anticoagulation proteins for the lysis of blood clots or other applications affected by accelerated plasmin production. More specifically, the present invention provides a method for accelerating the dissolution of a blood clot through the administration of at least one coagulation protein, with or without being in complex with a serpin, comprising a basic C-terminal amino acid, wherein the coagulation protein may be a derivative of Factor X or Factor V or a combination thereof. Pharmaceutical compositions for the treatment and prophylaxis of blood clots are also provided, wherein, the methods and products of the present invention advantageously accelerate clot dissolution while potentially minimizing the adverse side-effects, such as hemorrhaging, seen with other clot dissolving agents. The present invention also provides a method for detecting a fibrinolytic potential in a subject.