Tags: Protein.
Interleukin 21 receptor is a type I cytokine receptor. IL21R is its human gene.The protein encoded by this gene is a cytokine receptor for interleukin 21 (IL21). It belongs to the type I cytokine receptors and has been shown to form a heterodimeric receptor complex with the common gamma-chain a receptor subunit also shared by the receptors for interleukin 2 (IL2) and interleukin 5 (IL5).