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gp130 is a shared signal-transducing membrane-associated receptor for several hematopoietic cytokines. The 30 A resolution cryo-electron microscopy (cryo-EM) structure of the Interleukin 11(IL-11)-IL-11 Receptor-gp130 extracellular complex reveals the architecture and dynamics of this gp130-containing signaling complex. Normal-mode analysis reveals a repertoire of conformational changes that could function in signal triggering. This suggests a concerted mechanism of signaling involving all the components of the complex. This could provide a general mechanism of signal transfer for cytokines utilizing the JAK-STAT signaling cascade.

Original publication

DOI

10.1016/j.str.2007.02.006

Type

Journal article

Journal

Structure

Publication Date

04/2007

Volume

15

Pages

441 - 448

Keywords

Animals, Cryoelectron Microscopy, Cytokine Receptor gp130, Interleukin-11, Mice, Protein Binding, Receptors, Interleukin-11, Signal Transduction