The Photosystem II Core Complex
Models of the Oxygen Evolving Complex of Photosystem II
... Mn II 4 Ca 2 cluster 93 and a high nuclearity Mn III 6 Ca 2 O 2 complex 94 —have also been ...4 core, leaving the fourth metal center open to ligand substitution or replacement by a ...
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Substrate exchange in the water-oxidising complex of photosystem II
... PSII core complexes was made possible by employing non-ionic detergents and ion exchange chromatography or density centrifugation (Ikeuchi et ...These core preparations constitute the minimal PSII ...
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Effect of bicarbonate on the water-oxidizing complex of photosystem II in the super-reduced S-states
... inorganic core of the WOC has been suggested earlier [58] on the basis of the results of investigation of bicarbonate effects on the difference light- induced Fourier-transform infrared difference absorption spec- ...
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Plants lacking the main light-harvesting complex retain photosystem II macro-organization
... the core complex, in which light is used to oxidize water to molecular oxygen, to reduce plastoquinone and to generate a transmembrane proton gradient 11,12 ...each core dimer binds two copies of the ...
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Spectroscopic and Computational Studies on the Water Oxidising Complex and Redox-Active Tyrosines of Photosystem II
... Ca core of the PSII WOC, but since CCSD frequency calculations are only performed numerically in Gaus- sian09 (as opposed to much faster analytical calculations), each frequency calculation on a fully optimised ...
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Bio Inspired Homometallic and Heterometallic Clusters Relevant to the Oxygen Evolving Complex of Photosystem II
... Figure A.4. Crystal structure of A.2 (left) with decomposition counteranion (right). By charge balance, the counteranion is mono-anionic. A.3 Hydrolysis of [LMn 3 (F 2 ArPz) 2 (OFPhPz)OMn][OTf]. Crystalline material of ...
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Photosystem II: an enzyme of global significance
... RC core complex of plants [37–41] and cyanobacteria [39] was dimeric, having a molecular mass of ...RC core complex isolated from higher plants (Spinacia oleracea, spinach) and suggested how ...
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The study of the multi-line-signal s 2 state of the oxygen evolving complex of the photosystem-ii.
... haversting complex (LHC II) contains almost 80% of chlorophyll in PSII membrane, and the separation of this LHC II will result in attaining the PSII core complex, which is embedded ...
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Characterisation of the photosystem-I reaction centre complex
... light-harvesting complex (LHC-I) is believed to be composed of eleven ...120 core a n te n n a chlorophylls per ...a photosystem -I core complex consisting p rim arily of two ...
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Production of reactive oxygen species by photosystem II
... PSII core complexes, which lack the 17 and 23 kDa extrinsic proteins, Fine and Frasch [94] have demonstrated that H 2 O 2 production requires low chloride concentration ...Mn complex requires Cl − in order ...
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Electronic Structure and Spectroscopy of Tetranuclear Mn4O4 and CaMn3O4 Complexes as Models of the Oxygen Evolving Complex in Photosystem II
... difficulties in obtaining a series of compounds suitable for comparisons. 44-46 Despite significant efforts to prepare complexes that mimic the OEC in terms of structure and redox state, accurate models for benchmarking ...
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Elucidating the Molecular Mechanism of Dynamic Photodamage of Photosystem. II Membrane-protein Complex by Integrated Proteomics Strategy
... membrane-protein complex, while the structure-unstable lysines in D1 are from the C-terminal region located at the lumen-side domain (Supporting Information Figure ...susceptible core subunits D1 and ...
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New Synthetic Approaches and Structural Models of the Oxygen-Evolving Complex in Photosystem II from the Use of Oximato-Based Ligands
... Ca} core has also enabled me to gain access into some interesting photophysical properties such as “blue”- shifted emissions at room ...metallacrown core induced by the four donor atoms of the ...
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Studies of the oxygen-evolving complex of photosystem II
... Correlation between structure and magnetic spin state of the manganese cluster in the oxygen-evolving complex of photosystem II in the s 2 state: Determination by X-r[r] ...
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In vivo identification of photosystem II light harvesting complexes interacting with PHOTOSYSTEM II SUBUNIT S
... identified peptides. For all proteins identified, the areas under the peaks in the N- and C-His-PSBS samples were compared with those obtained from proteins in psbs KO, and this was used as an internal reference (for ...
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An investigation of the small polypeptides of photosystem II
... PSII complex in high light conditions (Schroda et a l, ...one photosystem over the other this balance is ...the complex that it favours ...light-limited photosystem receives more ...
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Deactivation processes in PsbA1-Photosystem II and PsbA3-Photosystem II under photoinhibitory conditions in the cyanobacterium Thermosynechococcus elongatus
... (iv) The faster decrease in O 2 evolution in WT*1 than in WT*3 cells correlates with a much faster inhibition of the S 2 -state formation; (v) The shape of the WT*1 cells is altered. All these results are in agreement ...
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Spectroscopic studies of photodamage and photoprotection of photosystem II
... The double exponential kinetics observed during loss of Mn 2+ suggests a possible mechanism for Mn 2+ release. The fast phase occurs during the first 2 hours of illumination and is driven by the limitation on the ...
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Circularly Polarised Luminescence Spectroscopy of Photosystem II
... A third major research topic centres around the response of PSII to light stress, which generally occurs when the rate of electron transport cannot keep up with the rate of photon absorption under conditions of strong ...
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Bicarbonate requirement for the donor side of photosystem II
... A is AF in CaClz-treated membrane fragments under illumina- tion by saturating light (102 W/m2), curve 1 on Fig. B is oxygen evolu- tion in untreated DT-20. The medium is same as in[r] ...
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