Cloning and expression of a novel mammalian thioredoxin.

  title={Cloning and expression of a novel mammalian thioredoxin.},
  author={Giannis Spyrou and Eva Enmark and Antonio Miranda-Vizuete and J A Gustafsson},
  journal={The Journal of biological chemistry},
  volume={272 5},
We have isolated a 1276-base pair cDNA from a rat heart cDNA library that encodes a novel thioredoxin (Trx2) of 166 amino acid residues with a calculated molecular mass of 18.2 kDa. Trx2 possesses the conserved thioredoxin-active site, Trp-Cys-Gly-Pro-Cys, but lacks structural cysteines present in all mammalian thioredoxins. Trx2 also differs from the previously described rat thioredoxin (Trx1) by the presence of a 60-amino acid extension at the N terminus. This extension has properties… CONTINUE READING


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