Provided below are ELISA kits targeting fibrinogen like 2, a human protein encoded by FGL2. This protein is 439 amino acids long with a reported mass of 50.2 kDa. This is reported to be a secreted protein. Glycosylation sites have been reported. Other alias names for this protein include: fibroleukin, fibrinogen-like protein 2, T49, and pT49. ELISA kits are available that are reactive to human, mouse, rat, bovine, chicken, primate, guinea pig, and other mammalian variants of the target antigen.