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Thrombin Hydrolysis of Human Osteopontin Is Dependent on Thrombin Anion-binding Exosites

The cytokine osteopontin (OPN) can be hydrolyzed by thrombin exposing a cryptic α(4)β(1)/α(9)β(1) integrin-binding motif (SVVYGLR), thereby acting as a potent cytokine for cells bearing these activated integrins. We show that purified milk OPN is a substrate for thrombin with a k(cat)/K(m) value of...

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Autori principali: Myles, Timothy, Leung, Lawrence L. K.
Natura: Artigo
Lingua:Inglês
Pubblicazione: American Society for Biochemistry and Molecular Biology 2008
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Accesso online:https://ncbi.nlm.nih.gov/pmc/articles/PMC2440630/
https://ncbi.nlm.nih.gov/pubmed/18413297
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1074/jbc.M708629200
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