Predicted to enable phosphatidate phosphatase activity and transcription coactivator activity. Predicted to be involved in several processes, including cellular response to insulin stimulus; fatty acid catabolic process; and triglyceride biosynthetic process. Predicted to be active in cytosol; endoplasmic reticulum membrane; and nucleus. Orthologous to human LPIN2 (lipin 2). [provided by Alliance of Genome Resources, Apr 2022]