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PLA2G4A is a member of the cytosolic phospholipase A2 group IV family. The enzyme catalyzes the hydrolysis of membrane phospholipids to release arachidonic acid which is subsequently metabolized into eicosanoids. Eicosanoids, including prostaglandins and leukotrienes, are lipid-based cellular hormones that regulate hemodynamics, inflammatory responses, and other intracellular pathways. The hydrolysis reaction also produces lysophospholipids that are converted into platelet-activating factor. The enzyme is activated by increased intracellular Ca(2+) levels and phosphorylation, resulting in its translocation from the cytosol and nucleus to perinuclear membrane vesicles.
Gene Name: | phospholipase A2, group IVA (cytosolic, calcium-dependent) |
Family/Subfamily: | Phospholipase , not assigned-Phospholipase |
Synonyms: | PLA2G4A, CPLA2, CPLA2-alpha, Cytosolic phospholipase A2, Lysophospholipase, Phospholipase A2 group IVA, PLA2G4 |
Target Sequences: | NM_024420 AAA60105.1 P47712 |
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