Predicted to enable CDP-diacylglycerol-glycerol-3-phosphate 3-phosphatidyltransferase activity. Predicted to be involved in cardiolipin biosynthetic process. Predicted to be located in endoplasmic reticulum. Predicted to be active in mitochondrion. Orthologous to human PGS1 (phosphatidylglycerophosphate synthase 1). [provided by Alliance of Genome Resources, Apr 2022]