ELISA kits for the study of the target, GPL are available in ready-to-use formats. The protein is also known as interleukin 31 receptor A or IL31RA. It is a 732-residue protein with a membrane localization. In addition, up to 12 isoforms have been discovered. Other alias names for this target include: zcytoR17, soluble type I cytokine receptor CRL3, cytokine receptor-like 3, IL-31R subunit alpha, IL-31 receptor subunit alpha, and interleukin-31 receptor subunit alpha, and CRL3.