 IL-2R, IL-7R, IL-9R and IL-15R), the IL-4 receptor family (e.g.IL-4R and IL-13R), the gp130 receptor family (e.g.IL-6R, IL-11R, LIF-R, OSM-R, cardiotrophin-1 receptor (CT-1R), ciliary neurotrophic factor receptor (CNTF-R), neurotrophin-1 receptor (NNT-1R) and Leptin-R).