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Free-Energy Coupling Mediated by Dynamic Interactions between Membrane Proteins

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Modern Trends in Biothermokinetics

Abstract

The influence of an external oscillating electric field on membrane enzymes has been experimentally observed on different systems. The rate of transport of Na+ and K+ by Na+,K+-ATPase in erythrocytes1 and the synthesis of ATP in plant protoplasts2 have been experimentally studied as a function of frequency and amplitude of the applied oscillating field.

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References

  1. D. S. Liu, R. D. Astumian and T. Y. Tsong, Activation of Na+ and K+ pumping modes of (Na,K)-ATPase by an oscillatory electric field, J. Biol. Chem. 265:7260–7267 (1990).

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  2. A. Graziana, R. Ranjeva and J. Teissie, External electric fields stimulate the electrogenic calcium/sodium ex-change in plant protoplasts, Biochemistry 29:8313–8318 (1990).

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  3. B. Robertson and R. D. Astumian, Interpretation of the effect of an oscillatory electric field on membrane enzymes, Biochemistry 31:138–141 (1992).

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  4. F. Kamp, R. D. Astumian and H. V. Westerhoff, Coupling of vectorial proton flow to a biochemical reaction by local electric interaction, Proc. Natl. Acad. Sci. USA 85:3792–3796 (1988).

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© 1993 Springer Science+Business Media New York

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Astumian, R.D., Robertson, B., Bier, M. (1993). Free-Energy Coupling Mediated by Dynamic Interactions between Membrane Proteins. In: Schuster, S., Rigoulet, M., Ouhabi, R., Mazat, JP. (eds) Modern Trends in Biothermokinetics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-2962-0_11

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  • DOI: https://doi.org/10.1007/978-1-4615-2962-0_11

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4613-6288-3

  • Online ISBN: 978-1-4615-2962-0

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