3.1.1.111	a 1-acyl-2-lyso-phosphatidylserine + H2O	-	
3.1.1.111	a phosphatidylserine + H2O	-	
3.1.1.111	additional information	an alternative splicing 376-amino acid product lacks two-thirds of the C-terminal domain of PS-PLA1 hydrolyzes exclusively lyso-phosphatidylserine but not phosphatidylserine appreciably. Phosphatidylcholine, phosphatidylethanolamine, phosphatidic acid, and their lyso derivatives are not hydrolyzed at all by the variant	
3.1.1.111	phosphatidylserine + H2O	PS-PLA1 stimulates histamine release from peritoneal mast cells through production of 2-acyl-1-glycerophosphoserine	
3.1.1.111	phosphatidylserine + H2O	-