Predicted to enable protein phosphatase 1 binding activity and protein phosphatase inhibitor activity. Predicted to be involved in negative regulation of cardiac muscle cell apoptotic process; negative regulation of mitotic DNA damage checkpoint; and positive regulation of telomere maintenance. Located in chromatin. Part of PTW/PP1 phosphatase complex. Is expressed in central nervous system; early conceptus; oocyte; and retina. Orthologous to human PPP1R10 (protein phosphatase 1 regulatory subunit 10). [provided by Alliance of Genome Resources, Apr 2022]