The serine-rich cytoplasmic domain of the interleukin-2 receptor beta chain is essential for interleukin-2-dependent tyrosine protein kinase and phosphatidylinositol-3-kinase activation.

The serine-rich cytoplasmic domain of the interleukin-2 receptor beta chain is essential for interleukin-2-dependent tyrosine protein kinase and phosphatidylinositol-3-kinase activation.