Predicted to enable mRNA binding activity and protein serine/threonine phosphatase inhibitor activity. Predicted to be involved in negative regulation of protein dephosphorylation. Predicted to act upstream of or within cell population proliferation. Predicted to be located in nucleoplasm. Predicted to be active in nuclear speck. Orthologous to human PPP1R8 (protein phosphatase 1 regulatory subunit 8). [provided by Alliance of Genome Resources, Apr 2022]