Erythropoietin induces tyrosine phosphorylation of the interleukin-3 receptor beta subunit (betaIL3) and recruitment of Stat5 to possible Stat5-docking sites in betaIL3.
Chin H, Wakao H, Miyajima A, Kamiyama R, Miyasaka N, Miura O, Blood, 1997 Jun 15 - link