Provided below are ELISA kits targeting gastrin, a human protein encoded by GAST. This protein is 101 amino acids long, with a mass of 11.4 kDa, and is a member of the Gastrin/cholecystokinin family. This is reported to be a secreted protein. Other alias names for this protein include: preprogastrin, and GAS. ELISA kits are available that are reactive to human, mouse, rat, bovine, chicken, primate, guinea pig, fish, plant, and other mammalian variants of the target antigen.