Enables 2-acylglycerol O-acyltransferase activity. Involved in triglyceride biosynthetic process. Predicted to be located in endoplasmic reticulum membrane. Predicted to be active in endoplasmic reticulum. Is expressed in nervous system; nose; respiratory system; salivary gland; and urinary system. Orthologous to human LPGAT1 (lysophosphatidylglycerol acyltransferase 1). [provided by Alliance of Genome Resources, Apr 2022]