UniProt ID: Q6NYZ4 |
FUNCTION: Hydrolyzes the ester bond at the sn-1 position of glycerophospholipids and produces 2-acyl lysophospholipids. Hydrolyzes phosphatidylserine (PS) in the form of liposomes and 1-acyl-2 lysophosphatidylserine (lyso-PS), but not triolein, phosphatidylcholine (PC), phosphatidylethanolamine (PE), phosphatidic acid (PA) or phosphatidylinositol (PI). {ECO:0000250|UniProtKB:P97535}. CATALYTIC ACTIVITY: Reaction=1-(9Z-octadecenoyl)-sn-glycero-3-phospho-L-serine + H2O = (9Z)-octadecenoate + H(+) + sn-glycero-3-phospho-L-serine; Xref=Rhea:RHEA:40499, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:30823, ChEBI:CHEBI:64765, ChEBI:CHEBI:74617; Evidence={ECO:0000250|UniProtKB:P97535}; PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:40500; Evidence={ECO:0000250|UniProtKB:P97535}; CATALYTIC ACTIVITY: Reaction=1,2-di-(9Z)-octadecenoyl-sn-glycero-3-phospho-L-serine + H2O = (9Z)-octadecenoate + 2-(9Z-octadecenoyl)-sn-glycero-3-phospho-L- serine + H(+); Xref=Rhea:RHEA:40491, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:30823, ChEBI:CHEBI:74905, ChEBI:CHEBI:77342; Evidence={ECO:0000250|UniProtKB:P97535}; PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:40492; Evidence={ECO:0000250|UniProtKB:P97535}; CATALYTIC ACTIVITY: Reaction=1-hexadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycero- 3-phospho-L-serine + H2O = 2-(5Z,8Z,11Z,14Z)-eicosatetraenoyl-sn- glycero-3-phospho-L-serine + H(+) + hexadecanoate; Xref=Rhea:RHEA:41187, ChEBI:CHEBI:7896, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:75032, ChEBI:CHEBI:77830; Evidence={ECO:0000250|UniProtKB:P97535}; PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:41188; Evidence={ECO:0000250|UniProtKB:P97535}; SUBCELLULAR LOCATION: Secreted {ECO:0000305}. SIMILARITY: Belongs to the AB hydrolase superfamily. Lipase family. {ECO:0000305}. |
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