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Isotope effects in FTIR difference spectra of the photosynthetic oxygen-evolving catalytic site determined by ab initio calculations on model compounds

Fischer, Gad; Wydrzynski, Thomas


The oxidation of water and the production of O2 during photosynthesis occur at a manganese-containing catalytic site within photosystem II. A number of questions remain regarding water substrate interactions and the nature of the other ligands to the catalytic site. Through the use of difference spectra, FTIR spectroscopy is being exploited in the mid-IR range to address these questions. Here, we investigate the isotope-induced effects in three regions of the mid-IR range S2/S1 difference...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
Source: Journal of Physical Chemistry B
DOI: 10.1021/jp0120357


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