Provided below are ELISA kits targeting protein phosphatase 1 regulatory subunit 8, a human protein encoded by PPP1R8. This protein is 351 amino acids long with a reported mass of 38.5 kDa. 3 isoforms have been identified. This is reported to be a cytoplasmic and nuclear protein. It is also an enzyme classified as a(n) ester hydrolase (broad). Other alias names for this protein include: nuclear inhibitor of protein phosphatase 1, RNase E, activator of RNA decay, nuclear inhibitor of protein phosphatase-1 alpha, nuclear subunit of PP-1, protein phosphatase 1 regulatory (inhibitor) subunit 8, and ARD-1.