Upon viral infection STAT6 undergoes Ser407 phosphorylation, which was shown to depend on the TBK1 kinase activity, but not on the kinase JAK, which phosphorylates STAT6 on Tyr641 in IL4-mediated signaling (Chen H et al. 2011).
Chen, H, Sun, H, You, F, Sun, W, Zhou, X, Chen, L, Yang, J, Wang, Y, Tang, H, Guan, Y, Xia, W, Gu, J, Ishikawa, H, Gutman, D, Barber, G, Qin, Z, Jiang, Z
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