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1969•Journal of Biological ChemistryOpen access

A Soluble Factor Related to the Energy-linked Transhydrogenase Reaction of Rhodospirillum rubrum Chromatophores

Ronald R. Fisher, Richard John Guillory

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Abstract

Abstract Chromatophores from the photosynthetic bacterium, Rhodospirillum rubrum, have been prepared which completely lack an energy-linked transhydrogenase activity while retaining maximal photophosphorylation rates. Transhydrogenation is reconstituted in deficient particles by the addition of a partially purified soluble protein factor isolated from R. rubrum cells.

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Abstract Chromatophores from the photosynthetic bacterium, Rhodospirillum rubrum, have been prepared which completely lack an energy-linked transhydrogenase activity while retaining maximal photophosphorylation rates. Transhydrogenation is reconstituted in deficient particles by the addition of a partially purified soluble protein factor isolated from R. rubrum cells.

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Available abstract

Abstract Chromatophores from the photosynthetic bacterium, Rhodospirillum rubrum, have been prepared which completely lack an energy-linked transhydrogenase activity while retaining maximal photophosphorylation rates. Transhydrogenation is reconstituted in deficient particles by the addition of a partially purified soluble protein factor isolated from R. rubrum cells.

Key concepts: Rhodospirillum rubrum, Chromatophore, Chemistry, Biochemistry, Biology, Enzyme, Fishery

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