Ready-to-use ELISA kits are available for the detection of Ly-43, an alias of the protein, interleukin 2 receptor subunit alpha. The official gene symbol is IL2RA. The kits can detect several species variants of the protein, including: human. The protein, with a mass of 30.8 kDa and length of 272 residues, is reported to be membrane-associated. It may be known by other names, including: IL2R, IDDM10, interleukin 2 receptor alpha, TAC antigen, IL-2R subunit alpha, and IL-2 receptor subunit alpha, and TCGFR.