The function of Ensembl gene identifier ENSG00000204310 (AGPAT1, 1-acylglycerol-3-phosphate O-acyltransferase 1) is as follows. Converts 1-acyl-sn-glycerol-3-phosphate (lysophosphatidic acid or LPA) into 1,2-diacyl-sn-glycerol-3-phosphate (phosphatidic acid or PA) by incorporating an acyl moiety at the sn-2 position of the glycerol backbone. {ECO:0000269|PubMed:21873652, ECO:0000269|PubMed:9461603}.