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ferredoxins |
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ferredoxins [‚fer·ə′däk·sənz] (biochemistry) Iron-containing proteins that transfer electrons, usually at a low potential, to flavoproteins; the iron is not present as a heme. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Russell and Martin offer yet another piece of circumstantial evidence that life may have emerged from iron sulfide-catalyzed chemistry: Many of the large proteins that drive basic biochemical reactions today--such as ferredoxin, a protein that mediates metabolic reactions--rely on smaller iron sulfur cofactors. Chan, a chemist at the California Institute of Technology in Pasadena, and his colleagues report their determination of the structure of one of the bacterium's unusual enzymes, aldehyde ferredoxin oxidoreductase (AOR). |
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