Article
Single chain urokinase. Augmentation of enzymatic activity upon binding to monocytes.
The Journal of biological chemistry - 5 Aug 1991
Manchanda N, Schwartz B S
Abstract excerpt
Cellular migration typically requires cell surface-associated urokinase-type plasminogen activator (u-PA) and plasminogen, both of which are present as proenzymes. Because each active enzyme can activate the other zymogen, the mechanism by which the initial proteolytic event of this two-zymogen system occurs is unclear. A mutant of single chain u-PA that could not be cleaved to the more active two-chain u-PA was...
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