glycerophospholipid phospholipase A1 activity https://github.com/geneontology/go-ontology/issues/28339 diacylphospholipase A1 activity Reactome:R-HSA-1482827 RHEA:53496 RHEA:56448 RHEA:74251 MetaCyc:PHOSPHOLIPASE-A1-RXN Reactome:R-HSA-1482828 RHEA:62044 RHEA:62484 GO:0008970 RHEA:62480 RHEA:18689 Catalysis of the reaction: a 1,2-diacyl-sn-glycero-3-phospholipid + H2O = a 2-acyl-sn-glycero-3-phospholipid + a fatty acid + H+. Note that the substrate has a diacyl group attached to the glycerol group. RHEA:42212 RHEA:41167 RHEA:62488 RHEA:41207 RHEA:74103 RHEA:73971 RHEA:73975 RHEA:66708 molecular_function RHEA:62032 RHEA:41171 RHEA:73967 RHEA:44408 RHEA:40487 RHEA:44648 RHEA:76971 RHEA:35263 RHEA:74159 Reactome:R-HSA-1482847 Reactome:R-HSA-1482920 RHEA:76979 Reactome:R-HSA-5694485 phosphatidylserine 1-acylhydrolase activity RHEA:76975 phospholipase A1 activity Reactome:R-HSA-8869425 Reactome:R-HSA-1482892 RHEA:43968 RHEA:62464 RHEA:74247 Reactome:R-HSA-1482932 RHEA:74163 RHEA:76983 phosphatidylcholine 1-acylhydrolase activity Reactome:R-HSA-1482862 RHEA:67428 RHEA:38787 EC:3.1.1.32 RHEA:67424 RHEA:38783 A1-type glycerophospholipase activity