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Replacing Mn(2+) with Co(2+) in Human Arginase I Enhances Cytotoxicity Towards L-Arginine Auxotrophic Cancer Cell Lines

Replacing the two Mn(2+) ions normally present in human Arginase I with Co(2+) resulted in a significantly lowered K(M) value without a concomitant reduction in k(cat). In addition, the pH dependence of the reaction was shifted from a pK(a) of 8.5 to a pK(a) of 7.5. The combination of these effects...

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Detalhes bibliográficos
Main Authors: Stone, Everett M., Glazer, Evan S., Chantranupong, Lynne, Cherukuri, Paul, Breece, Robert M., Tierney, David L., Curley, Steven A., Iverson, Brent L., Georgiou, George
Formato: Artigo
Idioma:Inglês
Publicado em: 2010
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC2842482/
https://ncbi.nlm.nih.gov/pubmed/20050660
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/cb900267j
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