Article
"Restoration" of glutathione transferase activity by single-site mutation of the yeast prion protein Ure2.
Journal of molecular biology - 19 Dec 2008
Zhang Zai-Rong, Bai Ming, Wang Xin-Yu, Zhou Jun-Mei, Perrett Sarah
Abstract excerpt
The yeast prion Ure2p is composed of an N-terminal prion domain, and a C-terminal globular domain, which shows similarity to glutathione transferases (GSTs) in both sequence and structure. Ure2p protects Saccharomyces cerevisiae cells from heavy metal ion and oxidant toxicity. Ure2p shows glutathione-dependent peroxidase (GPx) activity, which is often an adjunct activity of GSTs, but wild-type Ure2p shows no...
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