Mechanism of spinach chloroplast ferredoxin-dependent nitrite reductase: spectroscopic evidence for intermediate states.

@article{Kuznetsova2004MechanismOS,
  title={Mechanism of spinach chloroplast ferredoxin-dependent nitrite reductase: spectroscopic evidence for intermediate states.},
  author={Sofya Kuznetsova and David B. Knaff and Masakazu Hirasawa and Bernard Lagoutte and Pierre S{\'e}tif},
  journal={Biochemistry},
  year={2004},
  volume={43 2},
  pages={510-7}
}
Nitrite reductases found in plants, algae, and cyanobacteria catalyze the six-electron reduction of nitrite to ammonia with reduced ferredoxin serving as the electron donor. They contain one siroheme and one [4Fe-4S] cluster, acting as separate one-electron carriers. Nitrite is thought to bind to the siroheme and to remain bound until its complete reduction to ammonia. In the present work the enzyme catalytic cycle, with ferredoxin reduced by photosystem 1 as an electron donor, has been studied… CONTINUE READING
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