Article
Nuclear thiol peroxidase as a functional alkyl-hydroperoxide reductase necessary for stationary phase growth of Saccharomyces cerevisiae.
The Journal of biological chemistry - 4 Jul 2003
Cha Mee-Kyung, Choi Yong-Soo, Hong Seung-Keun, Kim Won-Cheol, No Kyoung Tai, Kim Il-Han
Abstract excerpt
Yeast nucleus-localized thiol peroxidase (nTPx) was characterized as a functional peroxidase. There are two cysteine residues in nTPx. Replacement of Cys-106 or Cys-111 with serine resulted in a complete loss of thioredoxin-linked peroxidase activity. However, when their activities were measured in terms of the ability to inhibit oxidation of glutamine synthetase, C111S showed the same antioxidant activity as the...
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