ID 3.1.3.4 DE phosphatidate phosphatase. AN lipin. AN phosphatic acid phosphatase. AN phosphatic acid phosphohydrolase. AN phosphatidic acid phosphatase. CA a 1,2-diacyl-sn-glycero-3-phosphate + H2O = a 1,2-diacyl-sn-glycerol + CA phosphate. CC -!- This enzyme catalyzes the Mg(2+)-dependent dephosphorylation of a CC 1,2-diacylglycerol-3-phosphate, yielding a 1,2-diacyl-sn-glycerol CC (DAG), the substrate for de novo lipid synthesis via the Kennedy CC pathway and for the synthesis of triacylglycerol. CC -!- In lipid signaling, the enzyme generates a pool of DAG to be used for CC protein kinase C activation. CC -!- The mammalian enzymes are known as lipins. DR P53933, APP1_YEAST ; Q9UUA6, DPP1_SCHPO ; Q05521, DPP1_YEAST ; DR Q14693, LPIN1_HUMAN; Q91ZP3, LPIN1_MOUSE; Q92539, LPIN2_HUMAN; DR Q99PI5, LPIN2_MOUSE; Q9BQK8, LPIN3_HUMAN; Q99PI4, LPIN3_MOUSE; DR Q7TNN8, LPIN3_MUSSP; Q04396, LPP1_YEAST ; Q9SF47, PAH1_ARATH ; DR P32567, PAH1_YEAST ; Q9FMN2, PAH2_ARATH ; P0A925, PGPB_ECO57 ; DR P0A924, PGPB_ECOLI ; P44570, PGPB_HAEIN ; P0A926, PGPB_SHIFL ; DR O88956, PLPP1_CAVPO; O14494, PLPP1_HUMAN; Q61469, PLPP1_MOUSE; DR P60588, PLPP1_PIG ; O08564, PLPP1_RAT ; Q2HJ61, PLPP2_BOVIN; DR O43688, PLPP2_HUMAN; Q9DAX2, PLPP2_MOUSE; Q8K593, PLPP2_RAT ; DR Q3SZE3, PLPP3_BOVIN; O14495, PLPP3_HUMAN; Q99JY8, PLPP3_MOUSE; DR P97544, PLPP3_RAT ; Q5VZY2, PLPP4_HUMAN; Q0VBU9, PLPP4_MOUSE; DR Q8NEB5, PLPP5_HUMAN; Q3UMZ3, PLPP5_MOUSE; Q6GQ62, PLPP5_XENLA; DR Q9V576, WUN_DROME ; //