Lysophosphatidic acid acyltransferase which functions in phosphatidic acid biosynthesis(PubMed:18606822). May regulate the cellular storage of triacylglycerol through activation of the phospholipase PNPLA2(PubMed:16679289). Involved in keratinocyte differentiation(PubMed:18832586). Regulates lipid droplet fusion(By similarity).
