Redox signaling in chloroplasts: cleavage of disulfides by an iron-sulfur cluster.

  title={Redox signaling in chloroplasts: cleavage of disulfides by an iron-sulfur cluster.},
  author={Shaodong Dai and C Schwendtmayer and Peter Sch{\"u}rmann and Subramanyan Ramaswamy and Hans Eklund},
  volume={287 5453},
Light generates reducing equivalents in chloroplasts that are used not only for carbon reduction, but also for the regulation of the activity of chloroplast enzymes by reduction of regulatory disulfides via the ferredoxin:thioredoxin reductase (FTR) system. FTR, the key electron/thiol transducer enzyme in this pathway, is unique in that it can reduce disulfides by an iron-sulfur cluster, a property that is explained by the tight contact of its active-site disulfide and the iron-sulfur center… CONTINUE READING


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