1'-[1,2-diacyl-sn-glycero-3-phospho],3'-[1-acyl-sn-glycero-3-phospho]-glycerol + (9Z)-octadecenoyl-CoA <=> 1'-[1,2-diacyl-sn-glycero-3-phospho],3'-[1-acyl,2-(9Z)-octadecenoyl-sn-glycero-3-phospho]-glycerol + CoA
1'-[1,2-diacyl-sn-glycero-3-phospho],3'-[1-acyl-sn-glycero-3-phospho]-glycerol + (9z)-octadecenoyl-coa <=> 1'-[1,2-diacyl-sn-glycero-3-phospho],3'-[1-acyl,2-(9z)-octadecenoyl-sn-glycero-3-phospho]-glycerol + coa