Provided below are ELISA kits targeting glutamate rich WD repeat containing 1, a human protein encoded by GRWD1. This protein is 446 amino acids long with a reported mass of 49.4 kDa. This is reported to be a nuclear protein. Other alias names for this protein include: glutamate-rich WD repeat-containing protein 1, CUL4- and DDB1-associated WDR protein 4, WD repeat domain 28, glutamate rich WD repeat protein GRWD, CDW4, GRWD, and RRB1.