Anti-Il18ralpha antibodies enable researchers to detect and measure the Il18ralpha antigen in biological samples. This target is a reported synonym of the IL18R1 gene, which encodes interleukin 18 receptor 1. This protein is known to function in immune response pathways and inflammatory response pathways, among other biological roles. The human version of Il18ralpha has a canonical amino acid length of 541 residues and a protein mass of 62.3 kilodaltons. It is reported to be localized in the membrane of cells and widely expressed in many tissue types. Other names for this target antigen include CD218a, CD218a, and CDw218a.