Role of acidic amino acid residues of PsaD subunit on limiting the affinity of photosystem I for ferredoxin.

@article{Bottin2001RoleOA,
  title={Role of acidic amino acid residues of PsaD subunit on limiting the affinity of photosystem I for ferredoxin.},
  author={Herv{\'e} Bottin and Jennifer Hanley and Bernard Lagoutte},
  journal={Biochemical and biophysical research communications},
  year={2001},
  volume={287 4},
  pages={833-6}
}
The PsaD subunit of photosystem I is one of the central polypeptides for the interaction with ferredoxin, its acidic electron acceptor. In the cyanobacterium Synechocystis 6803, this role is partly performed by a sequence extending approximately from histidine 97 to arginine 119, close to the C-terminus. In the present work, acidic amino acids D100, E105, and E109 are shown to moderate the affinity of Photosystem I for ferredoxin. Most single replacements of these residues by neutral amino… CONTINUE READING

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