New spectroscopic and electrochemical insights on a class I superoxide reductase: evidence for an intramolecular electron-transfer pathway.

@article{Folgosa2011NewSA,
  title={New spectroscopic and electrochemical insights on a class I superoxide reductase: evidence for an intramolecular electron-transfer pathway.},
  author={Filipe Folgosa and Cristina M Cordas and Joana A Santos and Alice S. Pereira and Jos{\'e} J. G. Moura and Pedro Tavares and Isabel Moura},
  journal={The Biochemical journal},
  year={2011},
  volume={438 3},
  pages={485-94}
}
SORs (superoxide reductases) are enzymes involved in bacterial resistance to reactive oxygen species, catalysing the reduction of superoxide anions to hydrogen peroxide. So far three structural classes have been identified. Class I enzymes have two iron-centre-containing domains. Most studies have focused on the catalytic iron site (centre II), yet the role of centre I is poorly understood. The possible roles of this iron site were approached by an integrated study using both classical and fast… CONTINUE READING
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