Predicted to enable protein phosphatase inhibitor activity. Predicted to be involved in intracellular signal transduction. Predicted to act upstream of or within glycogen metabolic process. Predicted to be located in extracellular space. Predicted to be active in cytoplasm. Is expressed in several structures, including central nervous system; gonad; intraembryonic coelom; sensory organ; and skin. Orthologous to human PPP1R1A (protein phosphatase 1 regulatory inhibitor subunit 1A). [provided by Alliance of Genome Resources, Apr 2022]