Protein subunit | subunit | Alpha Phi Alpha | Sigma Alpha Epsilon | receptor | Kappa Alpha Psi | Alpha | LDL receptor | Phi Mu Alpha Sinfonia | Interleukin 3 | Receptor (biochemistry) | Pi Kappa Alpha | Alpha Blondy | Piper Alpha | Interleukin 6 | Continuous erythropoietin receptor activator | Alpha Delta Phi | Alpha Centauri | alpha | GABA receptor | Epidermal growth factor receptor | Sigma Alpha Mu | Kappa Alpha Theta | ISO 3166-1 alpha-2 | Alpha Video | Alpha Kappa Alpha | Alpha Epsilon Pi | Sony Alpha | NMDA receptor | Kappa Alpha Society |
Two of these subunits, CD122 and CD132, are shared with the receptor for IL-2, but IL-2 receptor has an additional subunit (CD25).
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It is suggested that this property allows IL-15 to be produced by one cell, endocytosed by another cell, and then presented to a third party cell.