Nattokinase is a novel serine protease with strong fibrinolytic activity produced by a Bacillus subtilis.It is expected to be a new thrombolytic medicine.

• 纳豆激酶是一种枯草芽孢杆菌产生的丝氨酸蛋白酶,具有强烈的纤溶活性,有望开发成为新型口服溶栓药。