Provided below are ELISA kits targeting crystallin gamma D, a human protein encoded by CRYGD. This protein is 174 amino acids long, with a mass of 20.7 kDa, and is a member of the Beta/gamma-crystallin family. There is a noted implication in Cataract 4, multiple types. Other alias names for this protein include: gamma-crystallin D, gamma crystallin 4, gamma-D-crystallin, CACA, CCP, CRYG4, and CTRCT4.