Structural basis for ubiquitin-mediated antiviral signal activation by RIG-I

  title={Structural basis for ubiquitin-mediated antiviral signal activation by RIG-I},
  author={Alys Peisley and Bin Wu and Hui Xu and Zhijian J Chen and Sun Kyung Hur},
Ubiquitin (Ub) has important roles in a wide range of intracellular signalling pathways. In the conventional view, ubiquitin alters the signalling activity of the target protein through covalent modification, but accumulating evidence points to the emerging role of non-covalent interaction between ubiquitin and the target. In the innate immune signalling pathway of a viral RNA sensor, RIG-I, both covalent and non-covalent interactions with K63-linked ubiquitin chains (K63-Ubn) were shown to… CONTINUE READING
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