Impact of replacement of D1 C-terminal alanine with glycine on structure and function of photosynthetic oxygen-evolving complex.

@article{Mizusawa2004ImpactOR,
  title={Impact of replacement of D1 C-terminal alanine with glycine on structure and function of photosynthetic oxygen-evolving complex.},
  author={Naoki Mizusawa and Yukihiro Kimura and Asako Ishii and Toshihiro Yamanari and Shigeaki Nakazawa and Haruhiko Teramoto and Taka-aki Ono},
  journal={The Journal of biological chemistry},
  year={2004},
  volume={279 28},
  pages={29622-7}
}
The C-terminal alanine 344 (Ala-344) in the D1 protein of photosystem II is conserved in all of the organisms performing oxygenic photosynthesis. A free alpha-COO(-) of Ala-344 has been proposed to be responsible for ligating the Mn cluster. Here, we constructed a mutant having D1 in which D1-Ala-344 was replaced with glycine (Gly) in cyanobacterium Synechocystis sp. PCC 6803. The effects of this minimal change in the side group from methyl to hydrogen on the properties of the oxygen-evolving… CONTINUE READING

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