JAK2 transphosphorylates and is activated in response to Erythropoietin
收藏reactome.org2025-03-24 收录
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Upon binding EPO, the EPOR dimer changes conformation, resulting in activation of JAK2 associated with box 1 and box 2 of the cytoplasmic domain of each EPOR (inferred from mouse homologs). One JAK2 transphosphorylates 12 tyrosine residues of the other JAK2 thereby activating JAK2 to phosphorylate EPOR and other substrates (Arcasoy et al. 1999, Watowich et al. 1999, Erickson-Miller et al. 2000, and inferred from mouse homologs).
当与促红细胞生成素(EPO)结合时,EPOR二聚体发生构象变化,进而激活与每个EPOR细胞质结构域的框1和框2相关的JAK2(据小鼠同源物推断)。其中一个JAK2通过磷酸化另一个JAK2的12个酪氨酸残基,从而激活JAK2以磷酸化EPOR和其他底物(Arcasoy等,1999年,Watowich等,1999年,Erickson-Miller等,2000年,并据小鼠同源物推断)。
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