Abstract
The light-driven hydrogen-ion pump of chromatophores from photosynthetic bacteria is related to the processes of electron transport and the phosphorylation of ADP.1, 2, 3 Using pH indicator techniques4, 5, 6 a rapid component of H+-binding, whose kinetic parameters lie within the time range of the chromatophore electron transport reactions7 has been detected. A study of the effects of inhibitors, uncoupling agents and ion-transporting antibiotics on this phenomenon has led to the suggestion that hydrogen-ions bind at two distinct sites in the electron transport chain.6 Two models have been proposed to explain rapid H+-binding.
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Cogdell, R.J., Jackson, J.B., Crofts, A.R. (1972). The Effect of Redox Potential on the Coupling Between Rapid Hydrogen-Ion Binding and Electron Transport in Chromatophores from Rhodopseudomonas Spheroides . In: Avery, J. (eds) Membrane Structure and Mechanisms of Biological Energy Transduction. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-2016-6_25
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DOI: https://doi.org/10.1007/978-1-4684-2016-6_25
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