Provided below are ELISA kits targeting PCF11 cleavage and polyadenylation factor subunit, a human protein encoded by PCF11. This protein is 1555 amino acids long with a reported mass of 173.1 kDa. This is reported to be a nuclear protein. Other alias names for this protein include: pre-mRNA cleavage complex 2 protein Pcf11, PCF11 cleavage and polyadenylation factor subunit homolog, PCF11p homolog, and pre-mRNA cleavage complex II protein Pcf11.