Provided below are ELISA kits targeting crystallin gamma S, a human protein encoded by CRYGS. This protein is 178 amino acids long, with a mass of 21 kDa, and is a member of the Beta/gamma-crystallin family. There is a noted implication in Cataract 20, multiple types. Other alias names for this protein include: gamma-crystallin S, beta-crystallin S, crystallin gamma 8, and CRYG8.