| 描述 |
The interleukin 2 (IL-2) receptor (IL-2R) is a multisubunit receptor that includes three major IL-2 binding subunits, the IL-2R alpha, beta, and gamma chains. We have detected and analyzed cooperative interactions between the IL-2R alpha and beta chains (IL-2R alpha and IL-2R beta, respectively) in COS cells transfected with cDNAs encoding the IL-2R alpha, the IL-2R beta, or both cDNAs.The affinities of Neo-2/15 for the human and mouse IL-2 receptors (IL-2Rβ and IL-2Rβγc) are significantly higher than those of the corresponding native IL-2 cytokines. This beta subunit is involved in receptor mediated endocytosis and transduces the mitogenic signals of IL2. |