The paper investigates the effects of TyrD*, TyrZ*, and QA*- radical formation on the Soret region absorption spectra in Photosystem II from multiple species and mutants, identifying PD1 as the blue-shifted species and suggesting other pigments may contribute to shifts from TyrD* and TyrZ*.

DOI 10.1101/2024.11.21.624785

multiple speciesexperimental assay

𝕏 PostBluesky

BiophysicsbioRxivPreprintFeb 15, 2024

Contributions of PD1 and PD2 to the difference spectrum in the Soret region in Photosystem II

Alain Boussac, Miwa Sugiura, Ryo Nagao…·Julien Sellés

The paper investigates the contribution of PD1 and PD2 to the difference spectrum in the Soret region of PSII by analyzing mutants and comparing their spectra to wild-type strains.

DOI 10.1101/2024.02.15.580457

experimental assay

𝕏 PostBluesky

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Investigation of electrochromic band-shifts in the Soret region induced by the formation of TyrD*, TyrZ*, and QA*- in Photosystem II

Contributions of PD1 and PD2 to the difference spectrum in the Soret region in Photosystem II

Investigation of electrochromic band-shifts in the Soret region induced by the formation of TyrD, TyrZ, and QA*- in Photosystem II