Iron bound to the high-affinity Mn-binding site of the oxygen-evolving complex shifts the pK of a component controlling electron transport via Y(Z).

@article{Semin2004IronBT,
  title={Iron bound to the high-affinity Mn-binding site of the oxygen-evolving complex shifts the pK of a component controlling electron transport via Y(Z).},
  author={Boris K. Semin and Michael C. Seibert},
  journal={Biochemistry},
  year={2004},
  volume={43 21},
  pages={6772-82}
}
Flash-probe fluorescence spectroscopy was used to compare the pH dependence of charge recombination between Y(Z)(*) and Q(a)(-) in Mn-depleted, photosystem II membranes [PSII(-Mn)] and in membranes with the high-affinity (HA(Z)) Mn-binding site blocked by iron [PSII(-Mn,+Fe); Semin, B. K., Ghirardi, M. L., and Seibert, M. (2002) Biochemistry 41, 5854-5864… CONTINUE READING