Specific isotopic labeling and photooxidation-linked structural changes in the manganese-stabilizing subunit of photosystem II.

@article{Sachs2003SpecificIL,
  title={Specific isotopic labeling and photooxidation-linked structural changes in the manganese-stabilizing subunit of photosystem II.},
  author={Roseann K Sachs and Kelly M Halverson and Bridgette A Barry},
  journal={The Journal of biological chemistry},
  year={2003},
  volume={278 45},
  pages={44222-9}
}
Photosystem II (PSII) oxidizes water to molecular oxygen; the catalytic site is a cluster of four manganese ions. The catalytic site undergoes four sequential light-driven oxidation steps to form oxygen; these sequentially oxidized states are referred to as the Sn states, where n refers to the number of oxidizing equivalents stored. The extrinsic manganese stabilizing protein (MSP) of PSII influences the efficiency and stability of the manganese cluster, as well as the rates of the S state… CONTINUE READING
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