Journal
FEBS LETTERS
Volume 514, Issue 1, Pages 26-29Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0014-5793(02)02299-8
Keywords
elongation factor-2; protein kinase; protein phosphorylation; alpha-kinase; ion channel; channel-kinase; TRP channels
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Phosphorylation of elongation factor-2 (eEF-2) by the highly specific eEF-2 kinase results in eEF-2 inactivation and, therefore, may regulate the global rate of protein synthesis in animal cells. Cloning and sequencing of eEF-2 kinase led to the discovery of a new family of protein kinases, named alpha-kinases, whose catalytic domains display no sequence homology to conventional eukaryotic protein kinases. Several mammalian alpha-kinases have recently been cloned. Two of these a-kinases, named channel-kinases 1 and 2 (ChaK1 and ChaK2) represent a new type of signaling molecules that are protein kinases fused to ion channels. (C) 2002 Federation of European Biochemical Societies. Published by Elsevier Science B.V. All rights reserved.
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