Activation of the dsRNA-Dependent Kinase

  • R. A. Petryshyn
  • J. Li
  • R. Judware
Part of the Progress in Molecular and Subcellular Biology book series (PMSB, volume 14)


The double-stranded RNA (dsRNA)-dependent protein kinase, designated here as dsI, but also referred to as DAI, Pl kinase, p68 kinase and PI/eIF-2α protein kinase, is an interferon-induced serine/threonine protein kinase. It is uniquely distinguished from other protein kinases in that its activation to a functional enzyme, and in some cases prevention of its activation, is dependent on RNAs containing accessible double-stranded structures. However, like several other protein kinases, once activated, it elicits a modulating effect that alters cellular processes.


Human Immunodeficiency Virus Type Eukaryotic Initiation Factor Cellular Inhibitor Interferon Action dsRNA Binding 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1994

Authors and Affiliations

  • R. A. Petryshyn
  • J. Li
  • R. Judware
    • 1
  1. 1.Department of Biochemistry and Molecular BiologyState University of New York, Health Science Center at SyracuseSyracuseUSA

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