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Literature summary for 1.10.3.9 extracted from

  • Yadav, D.K.; Prasad, A.; Kruk, J.; Pospisil, P.
    Evidence for the involvement of loosely bound plastosemiquinones in superoxide anion radical production in photosystem II (2014), PLoS ONE, 9, e115466 .
    View publication on PubMedView publication on EuropePMC

Activating Compound

Activating Compound Comment Organism Structure
2,4-dinitro-6-sec-butylphenol binds to plastoquinone binding site QD, enhances the signal in electron paramagnetic resonance spin-trapping spectroscopy using 5-(ethoxycarbonyl)-5-methyl-1-pyrroline N-oxide but inhibits photoreduction of the high-potential form of cytochrome b559 Spinacia oleracea

Inhibitors

Inhibitors Comment Organism Structure
3-(3,4-dichlorophenyl)-1,1-dimethylurea binds to plastoquinone binding site QB, 50% inhibition of signal in electron paramagnetic resonance spin-trapping spectroscopy using 5-(ethoxycarbonyl)-5-methyl-1-pyrroline N-oxide and inhibits photoreduction of the high-potential form of cytochrome b559 Spinacia oleracea

Localization

Localization Comment Organism GeneOntology No. Textmining
membrane
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Spinacia oleracea 16020
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Organism

Organism UniProt Comment Textmining
Spinacia oleracea
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-
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information the O2 radical anion is formed via the reduction of molecular oxygen by plastosemiquinones formed through one-electron reduction of plastoquinone at the quinone binding site QB and one-electron oxidation of plastoquinol by Cyt b559 at the QC site Spinacia oleracea ?
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