IL7R is a symbol for the gene, Interleukin 7 receptor, in humans. Other names include: Interleukin-7 receptor subunit alpha; IL-7 receptor subunit alpha; IL-7R subunit alpha; IL-7R-alpha; IL-7RA; CDw127; CD antigen CD127; CD127; IL7RA; ILRA. The encoded protein has an amino acid length of 459 and a mass of 51.6 kDa. IL7R is a member of the Type I cytokine receptor family, Type 4 subfamily. This gene shares homology with other species, including: Mouse.