期刊
FRONTIERS IN PLANT SCIENCE
卷 4, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fpls.2013.00146
关键词
photosystem II; oxygen evolution; FTIR; manganese cluster; infrared spectroscopy
资金
- National Science Council in Taiwan [NSC 101-2627-M-001-001]
- Academia Sinica
The photosystem II reaction center mediates the light-induced transfer of electrons from water to plastoquinone, with concomitant production of O-2. Water oxidation chemistry occurs in the oxygen-evolving complex (OEC), which consists of an inorganic Mn4CaO5 cluster and its surrounding protein matrix. Light-induced Fourier transform infrared (FTIR) difference spectroscopy has been successfully used to study the molecular mechanism of photosynthetic water oxidation. This powerful technique has enabled the characterization of the dynamic structural changes in active water molecules, the Mn4CaO5 cluster, and its surrounding protein matrix during the catalytic cycle. This mini-review presents an overview of recent important progress in FTIR studies of the OEC and implications for revealing the molecular mechanism of photosynthetic water oxidation.
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