| 1 | Author | Angela De, Souza Otero, Leopoldo De Meis | Requires cookie* |
| Title | Phosphorylation o f Ca2+-ATPase by Inorganic Phosphate in Water-Organic Solvent Media: Dielectric Constant and Solvent Hydrophobicity Contribution1  | ||
| Abstract | The effect o f organic solvents on the phosphorylation o f the Ca2+-dependent ATPase o f sar coplasmic reticulum by inorganic phosphate in the absence o f a calcium gradient was investi gated. Kinetic analysis o f the reaction in water and water-organic solvent m edia according to a bireactant scheme shows no correlation betw een changes in kinetic parameters and the dieletric constant o f the mixed solvents. The pronounced increase in equilibrium levels o f phosphoenzym e in water-solvent mixtures is attributed to changes in the water activity o f the m edium. | ||
| Reference | Z. Naturforsch. 37c, 527 (1982); received January 4 1982 | ||
| Published | 1982 | ||
| Keywords | Phosphorylation, Ca2+-ATPase, Inorganic Phosphate, O rganic Solvents | ||
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