The kinetics of hydrolysis of phenyl phosphate by alkaline phosphatases
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چکیده
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The hydrolysis of phenyl phosphate by mouse-liver acid phosphatase.
Flink, E. B. & Watson, C. J. (1942). J. biol. Chem. 146, 171. Green, N. M. & Lowther, D. A. (1959). Biochem. J. 71, 55. Gross, J. (1958). J. exp. Med. 107, 247. Harkness, R. D., Marko, A. M., Muir, H. M. & Neuberger,A. (1954). Biochem. J. 56, 558. Harkness, R. D. & Moralee, B. E. (1956). J. Phy8iol. 132, 502. Jackson, D. S. (1957). Biochem. J. 65, 277. Kao, K.-Y. T., Boucek, R. J. & Noble, N. L...
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Kinetics of the cleavage of two phosphate diesters, bis(4-nitrophenyl) phosphate and 2-hydroxypropyl 4-nitrophenyl phosphate and a triester, 4-nitrophenyl diphenyl phosphate, in the presence of Mg(II), Ca(II) and Sr(II) were studied in 90% vol. DMSO at 37 degrees C. The alkaline hydrolysis of the triester was inhibited by all cations, but with both phosphodiesters strong catalytic effects were ...
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Alkaline phosphatases (EC 3.1.3.1) purified from human placenta, neutrophils, liver, kidney, and small intestinal mucosa showed a range of Kmvalues for p-nitrophenyl phosphate from 0.017 to 0.038 rriM. The Kmvalues for cysteamine S-phosphate were more variable and ranged from 0.09 to 1.00 HIM. The ratios of the rate of hydrolysis of p-nitrophenyl phosphate to the rate of hydrolysis of cysteamin...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1957
ISSN: 0306-3283
DOI: 10.1042/bj0650674