Structural changes of D1 C-terminal alpha-carboxylate during S-state cycling in photosynthetic oxygen evolution.

@article{Kimura2005StructuralCO,
  title={Structural changes of D1 C-terminal alpha-carboxylate during S-state cycling in photosynthetic oxygen evolution.},
  author={Yukihiro Kimura and Naoki Mizusawa and Toshihiro Yamanari and Asako Ishii and Taka-aki Ono},
  journal={The Journal of biological chemistry},
  year={2005},
  volume={280 3},
  pages={2078-83}
}
Changes in the chemical structure of alpha-carboxylate of the D1 C-terminal Ala-344 during S-state cycling of photosynthetic oxygen-evolving complex were selectively measured using light-induced Fourier transform infrared (FTIR) difference spectroscopy in combination with specific [(13)C]alanine labeling and site-directed mutagenesis in photosystem II core particles from Synechocystis sp. PCC 6803. Several bands for carboxylate symmetric stretching modes in an S(2)/S(1) FTIR difference spectrum… CONTINUE READING
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