IL-2 R beta is a 551 amino acid (aa) precursor type I membrane protein with a 26 aa signal peptide, a 214 aa extracellular region, a 25 aa transmembrane region and a 286 aa cytoplasmic domain. IL-2 R beta binds IL-2 as a part of the IL-2 R alpha/IL-2 R beta/common gamma chain complex.

• Notes:For research use only.