IL18RB is an alias for the gene, Interleukin 18 receptor accessory protein, in humans. Other names include: Interleukin-18 receptor accessory protein; IL-18 receptor accessory protein; IL-18RAcP; Accessory protein-like; AcPL; CD218 antigen-like family member B; CDw218b; IL-1R accessory protein-like; IL-1RAcPL; Interleukin-1 receptor 7; IL-1R-7; IL-1R7; Interleukin-18 receptor accessory protein-like; Interleukin-18 receptor beta; IL-18R-beta; IL-18Rbeta; CD antigen CD218b; CD218b. The encoded protein has an amino acid length of 599 and a mass of 68.3 kDa. Other isoforms may exist. IL18RB is a member of the Interleukin-1 receptor family. This gene shares homology with other species, including: Mouse.