The protein encoded by this gene is a phospholipase that hydrolyzes phosphatidic acid to produce lysophosphatidic acid. The encoded protein, which can be inhibited by sodium vanadate, may be found exclusively in sperm. Defects in this gene are a cause of susceptibility to familial hypertrigliceridemia. [provided by RefSeq, Jun 2010].
Function: Hydrolyzes specifically phosphatidic acid (PA) to produce 2-acyl lysophosphatidic acid (LPA; a potent bioactive lipid mediator) and fatty acid. Does not hydrolyze other phospholipids, like phosphatidylserine (PS), phosphatidylcholine (PC) and phosphatidylethanolamine (PE) or triacylglycerol (TG).