Water-splitting chemistry of photosystem II

JP McEvoy, GW Brudvig - Chemical reviews, 2006 - ACS Publications
Life on earth is almost entirely solar-powered. We can get some idea of the enormous
quantity of energy received from the sun by noting that during daylight hours, the sun …

Mn4Ca Cluster in Photosynthesis: Where and How Water is Oxidized to Dioxygen

J Yano, V Yachandra - Chemical reviews, 2014 - ACS Publications
Oxygen, which supports all aerobic life, is produced by photosynthetic water oxidation in
plants, algae, and cyanobacteria. The water-oxidation reaction probably first appeared in …

Manganese cluster in photosynthesis: where plants oxidize water to dioxygen

VK Yachandra, K Sauer, MP Klein - Chemical Reviews, 1996 - ACS Publications
The essential involvement of manganese in photosynthetic water oxidation was implicit in
the observation by Pirson in 1937 that plants and algae deprived of Mn in their growth …

The role of trace metals in photosynthetic electron transport in O2-evolving organisms

JA Raven, MCW Evans, RE Korb - Photosynthesis research, 1999 - Springer
Iron is the quantitatively most important trace metal involved in thylakoid reactions of all
oxygenic organisms since linear (= non-cyclic) electron flow from H 2 O to NADP+ involves …

X-ray absorption spectroscopy

J Yano, VK Yachandra - Photosynthesis research, 2009 - Springer
This review gives a brief description of the theory and application of X-ray absorption
spectroscopy, both X-ray absorption near-edge structure (XANES) and extended X-ray …

X-ray absorption spectroscopy to analyze nuclear geometry and electronic structure of biological metal centers—potential and questions examined with special focus …

H Dau, P Liebisch, M Haumann - Analytical and bioanalytical chemistry, 2003 - Springer
X-ray absorption spectroscopy (XAS) has become a prominent tool for the element-specific
analysis of transition metals at the catalytic center of metalloenzymes. In the present study …

The manganese complex of photosystem II in its reaction cycle—basic framework and possible realization at the atomic level

H Dau, M Haumann - Coordination Chemistry Reviews, 2008 - Elsevier
Photosynthetic water oxidation proceeds at a pentanuclear Mn4Ca complex bound to amino
acid residues in the interior of photosystem II (PSII). It involves the binding of two water …

Structural and Oxidation State Changes of the Photosystem II Manganese Complex in Four Transitions of the Water Oxidation Cycle (S0 → S1, S1 → S2, S2 → S3, and S3,4 …

M Haumann, C Müller, P Liebisch, L Iuzzolino… - Biochemistry, 2005 - ACS Publications
Structural and electronic changes (oxidation states) of the Mn4Ca complex of photosystem II
(PSII) in the water oxidation cycle are of prime interest. For all four transitions between …

HERFD-XAS and valence-to-core-XES: new tools to push the limits in research with hard X-rays?

M Bauer - Physical Chemistry Chemical Physics, 2014 - pubs.rsc.org
In this perspective, the HERFD-XANES (high energy resolution fluorescence detected X-ray
absorption near edge structure) and Kβ2, 5-or V2C-XES (valence-to-core X-ray emission …

Effect of Ca2+/Sr2+ Substitution on the Electronic Structure of the Oxygen-Evolving Complex of Photosystem II: A Combined Multifrequency EPR, 55Mn-ENDOR, and DFT …

N Cox, L Rapatskiy, JH Su, DA Pantazis… - Journal of the …, 2011 - ACS Publications
The electronic structures of the native Mn4O x Ca cluster and the biosynthetically substituted
Mn4O x Sr cluster of the oxygen evolving complex (OEC) of photosystem II (PSII) core …