High-molecular-weight urokinase(HUK)and low-molecular-weight urokinase (LUK) were purified from crude human urokinase by benzamidine affinity chromatography followed by SP ion-exchange chromatography.
人尿激酶粗品经苯甲脒亲和柱纯化和Protein-PahSP柱分离后，得到两种分子量的尿激酶（UK），即高分子量尿激酶（HUK）和低分子量尿激酶（LUK）。