The common beta chain IL3RB binds JAK2 Authored: Ray, KP, 2010-05-17 Edited: Jupe, S, 2010-08-06 JAK2 associates with IL3 reecptor beta chain (IL3RB) better known as the cytokine recetpor common beta chain (Bc). This association was not found to be dependent upon, or influenced by, the presence of GM-CSF or the GM-CSF receptor alpha chain, suggesting that JAK2 and Bc may be constitutively associated (Quelle et al. 1994). Pubmed8007942 Reactome Database ID Release 43879937 Reactome, http://www.reactome.org ReactomeREACT_23962 Reviewed: Hercus, TR, 2010-09-06 Reviewed: Lopez, AF, 2010-09-06 IL3RB:JAK2