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  • Biological water-oxidizing complex: a nano-sized manganese-calcium oxide in a protein environment.

Biological water-oxidizing complex: a nano-sized manganese-calcium oxide in a protein environment.

Photosynthesis research (2012-09-04)
Mohammad Mahdi Najafpour, Atefeh Nemati Moghaddam, Young Nam Yang, Eva-Mari Aro, Robert Carpentier, Julian J Eaton-Rye, Choon-Hwan Lee, Suleyman I Allakhverdiev
摘要

The resolution of Photosystem II (PS II) crystals has been improved using isolated PS II from the thermophilic cyanobacterium Thermosynechococcus vulcanus. The new 1.9 Å resolution data have provided detailed information on the structure of the water-oxidizing complex (Umena et al. Nature 473: 55-61, 2011). The atomic level structure of the manganese-calcium cluster is important for understanding the mechanism of water oxidation and to design an efficient catalyst for water oxidation in artificial photosynthetic systems. Here, we have briefly reviewed our knowledge of the structure and function of the cluster.

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Sigma-Aldrich
锰, powder, ≥99.9% trace metals basis
Sigma-Aldrich
锰, powder, −325 mesh, ≥99% trace metals basis
Sigma-Aldrich
锰, chips, thickness <2.0 mm, 99%
锰, foil, 25x25mm, thickness 2mm, hot-pressed, 99.95%
锰, foil, 50x50mm, thickness 2mm, hot-pressed, 99.95%
锰, foil, not light tested, 100x100mm, thickness 0.0125mm, permanent polyester support, 98.7%
锰, foil, not light tested, 100x100mm, thickness 0.01mm, permanent polyester support, 98.7%
锰, foil, not light tested, 100x100mm, thickness 0.025mm, permanent polyester support, 98.7%
锰, foil, not light tested, 100x100mm, thickness 0.02mm, permanent polyester support, 98.7%
锰, foil, not light tested, 25x25mm, thickness 0.001mm, permanent polyester support, 98.7%
锰, foil, not light tested, 25x25mm, thickness 0.0025mm, permanent polyester support, 98.7%
锰, foil, not light tested, 25x25mm, thickness 0.002mm, permanent polyester support, 98.7%
锰, foil, not light tested, 25x25mm, thickness 0.003mm, permanent polyester support, 98.7%
锰, foil, not light tested, 25x25mm, thickness 0.004mm, permanent polyester support, 98.7%
锰, foil, not light tested, 25x25mm, thickness 0.005mm, permanent polyester support, 98.7%
锰, foil, not light tested, 25x25mm, thickness 0.006mm, permanent polyester support, 98.7%
锰, foil, not light tested, 25x25mm, thickness 0.007mm, permanent polyester support, 98.7%
锰, foil, not light tested, 25x25mm, thickness 0.008mm, permanent polyester support, 98.7%
锰, foil, not light tested, 25x25mm, thickness 0.009mm, permanent polyester support, 98.7%
锰, foil, not light tested, 25x25mm, thickness 0.0125mm, permanent polyester support, 98.7%
锰, foil, not light tested, 25x25mm, thickness 0.01mm, permanent polyester support, 98.7%
锰, foil, not light tested, 25x25mm, thickness 0.025mm, permanent polyester support, 98.7%
锰, foil, not light tested, 25x25mm, thickness 0.05mm, permanent polyester support, 98.7%
锰, foil, not light tested, 50x50mm, thickness 0.001mm, permanent polyester support, 98.7%
锰, foil, not light tested, 50x50mm, thickness 0.0025mm, permanent polyester support, 98.7%
锰, foil, not light tested, 50x50mm, thickness 0.003mm, permanent polyester support, 98.7%
锰, foil, not light tested, 50x50mm, thickness 0.004mm, permanent polyester support, 98.7%
锰, foil, not light tested, 50x50mm, thickness 0.005mm, permanent polyester support, 98.7%
锰, foil, not light tested, 50x50mm, thickness 0.006mm, permanent polyester support, 98.7%
锰, foil, not light tested, 50x50mm, thickness 0.007mm, permanent polyester support, 98.7%