Article
Selective control of amino acid metabolism by the GCN2 eIF2 kinase pathway in Saccharomyces cerevisiae.
BMC biochemistry - 4 Aug 2010
Zaborske John M, Wu Xiaochen, Wek Ronald C, Pan Tao
Abstract excerpt
BACKGROUND: When eukaryotic cells are deprived of amino acids, uncharged tRNAs accumulate and activate the conserved GCN2 protein kinase. Activated Gcn2p up-regulates the general amino acid control pathway through phosphorylation of the translational initiation factor eIF2. In Saccharomyces cerevisiae, Gcn2p is the only kinase that phosphorylates eIF2 to regulate translation through this mechanism. We addressed...
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