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Plant type ferredoxins and ferredoxin‐dependent metabolism [PDF]
Plant, Cell and Environment, 2013 Ferredoxin (Fd) are small [Fe‐S] cluster containing proteins, which act as the first soluble acceptors of electrons on the stromal side of the chloroplast electron transport chain. In addition to their primary function in photosynthesis, Fds are also involved in a number of other essential metabolic reactions, including biosynthesis of chlorophyll ...
Guy T Hanke, Paula Mulo
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Immobilized ferredoxins for affinity chromatography of ferredoxin-dependent enzymes
Journal of Chromatography A, 1992An immobilized ferredoxin more stable than the conventional immobilized spinach ferrodoxin was prepared by reacting CNBr-Sepharose with ferredoxins isolated from barley and Synechococcus vulcanus, a thermophilic blue-green alga. The dissociation constants of immobilized ferredoxin from spinach, barley and S.
N, Sakihama +5 more
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Interaction of ferredoxin and ferredoxin-NADP reductase with thylakoids
Archives of Biochemistry and Biophysics, 1983Ferredoxin-NADP reductase accounts for about 50% of the NADPH diaphorase activity of spinach leaf homogenates. The enzyme is bound to thylakoid membranes, but can be slowly extracted by aqueous buffers. Ferredoxin-NADP reductase can be extracted from the membranes by a 1- to 2-min treatment with a low concentration of trypsin. This treatment completely
Forti G. +5 more
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The interaction of ferredoxin with chloroplast ferredoxin-linked enzymes
Biochimica et Biophysica Acta (BBA) - Bioenergetics, 1986Ferredoxin, reduced by Photosystem I during oxygenic photosynthesis, then serves as the electron donor for the reduction of NADP+ [1], nitrite [2], and the reductive conversion of 2-oxoglutarate plus glutamine to glutamate [3]. Evidence exists thit two of these ferredoxin-dependent reductions, that of NADP+ (catalyzed by ferredoxin:NADP+ oxidoreductase,
M. Hirasawa +4 more
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Interaction between ferredoxin and ferredoxin-NADP reductase from chloroplasts
Biochemical and Biophysical Research Communications, 1968Abstract The photochemical reduction of pyridine nucleotides in isolated chloroplasts was shown to proceed via ferredoxin and ferredoxin-NADP reductase ( Shin et , al. , 1963 . The latter enzyme is a flavoprotein which can also mediate the transfer of electrons in reverse, from NADPH to ferredoxin (Lazzarini and San Pietro, 1962) , or to ...
N, Nelson, J, Neumann
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Ferredoxin : NADP+ Oxidoreductase
2018Ferredoxin-NADP + reductase, the essential catalyst of NADP + photoreduction, is a flavoprotein ubiquitous in photosynthetic eukaryotic cells and Cyano-bacteria. The cyanobacteria enzyme has a much lower content of methionine and lysine and more histidines.
G. Zanetti, A. Allverti
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Einflu� von Ferredoxin auf Ferredoxin-NADP-Reduktase
Planta, 1971Transhydrogenase and diaphorase activity of ferredoxin-NADP reductase are enhanced by plant ferredoxins. This stimulation is specific; ferredoxin cannot be replaced by sulfhydryl compounds such as cysteine or dithiothreitol, the apoprotein of ferredoxin or Fe2+, Fe3+ ions.
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Nature Chemical Biology, 2022
Ferredoxins are universal electron donors. A study focusing on the two human mitochondrial ferredoxins reveals the existence of unique cellular functions and partners for each protein.
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Ferredoxins are universal electron donors. A study focusing on the two human mitochondrial ferredoxins reveals the existence of unique cellular functions and partners for each protein.
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Ferredoxin and Ferredoxin-Dependent Enzymes
1996Ferredoxin, a Mr=11 kDa protein that contains a single low potential [2Fe-2S] cluster, serves as the ultimate acceptor of electrons from Photosystem I. In addition to serving as the electron donor for NADP+ reduction, a reaction catalyzed by the FAD-containing, membrane-associated enzyme ferredoxin: NADP+ oxidoreductase, ferredoxin also serves as the ...
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