Which bacterium has been used as a 'clot buster'? What is its mode of action?

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(N/A) The bacterium used as a 'clot buster' is $Streptococcus$.
It produces an enzyme called streptokinase.
This enzyme is modified by genetic engineering and is used to remove clots from the blood vessels of patients who have undergone myocardial infarction,which can lead to a heart attack.
Its mode of action involves the activation of the fibrinolytic system,which breaks down fibrin clots in the blood.

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