Photosystem II for photoelectrochemical hydrogen production

Doronin, Ivan A.; Bushnev, Sergey O.; Vasilov, Raif G.; Tsygankov, Anatoly A.

doi:10.1007/s12551-023-01139-5

Biophys Rev

2023

DOI: 10.1007/s12551-023-01139-5

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Photosystem II for photoelectrochemical hydrogen production

Ivan A. Doronin,

Sergey O. Bushnev,

Raif G. Vasilov

et al.

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Cited by 2 publications

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VII Congress of Russian Biophysicists—2023, Krasnodar, Russia

Anashkina,

Rubin,

Gudimchuk

et al. 2023

Biophys Rev

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VII Congress of Russian Biophysicists—2023, Krasnodar, Russia

Anashkina,

Rubin,

Gudimchuk

et al. 2023

Biophys Rev

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Cryo-EM structure of a photosystem I variant containing an unusual plastoquinone derivative in its electron transfer chain

Gisriel,

Kurashov,

Iwig

et al. 2024

Sci. Adv.

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Photosystem I (PS I) is a light-driven oxidoreductase responsible for converting photons into chemical bond energy. Its application for renewable energy was revolutionized by the creation of the MenB deletion (Δ menB ) variant in the cyanobacterium Synechocystis sp. PCC 6803, in which phylloquinone is replaced by plastoquinone-9 with a low binding affinity. This permits its exchange with exogenous quinones covalently coupled to dihydrogen catalysts that bind with high affinity, thereby converting PS I into a stable solar fuel catalyst. Here, we reveal the 2.03-Å-resolution cryo-EM structure of a recent MenB variant of PS I. The quinones and their binding environment are analyzed in the context of previous biophysical data, thereby enabling a protocol to solve future PS I hybrids and constructs from this genetically tractable cyanobacterium.

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Photosystem II for photoelectrochemical hydrogen production

Cited by 2 publications

References 62 publications

VII Congress of Russian Biophysicists—2023, Krasnodar, Russia

VII Congress of Russian Biophysicists—2023, Krasnodar, Russia

Cryo-EM structure of a photosystem I variant containing an unusual plastoquinone derivative in its electron transfer chain

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