Provided below are ELISA kits targeting cystatin 9 like, a human protein encoded by CST9L. This protein is 147 amino acids long, with a mass of 17.3 kDa, and is a member of the Cystatin family. This is reported to be a secreted protein. Glycosylation sites have been reported. Other alias names for this protein include: testatin, testicular tissue protein Li 45, CTES7B, and bA218C14.1.