when these plgs were activated by urokinase ( uk ) or streptokinase ( sk ) in the presence of s-2251 ( h-d-val-leu-lys-pna0 , the hydrolysis of s-2251 by glu-plg i activated by uk or sk was larger than that by glu-plg ii activated by uk or sk .
C0020291
hydrolysis
C0042071
uk