Recent developments in research on water oxidation by photosystem II.
作者： Holger Dau , Ivelina Zaharieva , Michael Haumann
DOI: 10.1016/J.CBPA.2012.02.011
关键词:
摘要: Photosynthetic water oxidation chemistry at the unique manganese-calcium complex of photosystem II (PSII) is fundamental importance and serves as a paragon in development efficient synthetic catalysts. A recent crystal structure PSII shows atoms water-oxidizing complex; its Mn4CaO5 core resembles inorganic oxides. Merging crystallographic spectroscopic information reverses radiation-induced modifications Mn-complex silico facilitates discussion O-O bond chemistry. Coordinated proton movements are promoted by network connecting with oxidant, tyrosine radical one possibly mobile chloride ion. basic reaction-cycle model predicts an alternating electron removal from catalytic site, which energetically oxidation.
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