Tyrosine-protein kinase JAK2 (JAK2) or Tyrosine-protein kinase JAK3 (JAK3) are phosphorylated after the binding of Interleukin-20 (IL20) to a heterodimeric receptor complex formed by Interleukin-20 receptor subunit alpha (IL20RA) associated with Tyrosine-protein kinase JAK1 (JAK1) and Interleukin-20 receptor subunit beta (IL20RB).JAK2 is phosphorylated at Tyr-1007/1008 (Tritsaris et al. 2007). JAK3 is also phosphorylated (Lee et al. 2012).This is a black box event because it is unclear whether JAK2 and JAK3 are phosphorylated simultaneously or sequentially during IL20 stimulation.
Jia, T, Myren, M, Olsen, UB, Hansen, AJ, van der Blom, I, Ditlev, SB, Dissing, S, Cao, Y, Zhang, J, Hübschmann, MV, Tritsaris, K, Cao, R, Wahlberg, E
Choi, YH, Jeong, P, Kim, S, Moon, SK, Kim, SK, Lee, SJ, Kim, GY, Cho, YH, Cha, EJ, Lee, EJ, Kim, WJ, Yun, SJ
transmembrane receptor protein tyrosine kinase activity of IL20:IL20RA:JAK1:IL20RB:JAK2,JAK3 [plasma membrane]
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