Texas Metabolism: lipid metabolism - eicosanoid metabolism enzymes Precursor Phospholipase A2 Phospholipase C Diacylglycerol lipase Prostanoids Cyclooxygenase PTGS1 PTGS2 PGD2 synthase PGE synthase Prostaglandin-E2 9-reductase PGI2 synthase TXA synthase Leukotrienes 5-Lipoxygenase activating protein/Arachidonate 5-lipoxygenase LTA4 hydrolase (B4 synthesis) LTC4 synthase Gamma-glutamyl transpeptidase LTD4 hydrolase Ungrouped HPGD Index of inborn errors of metabolism Description Metabolism Enzymes and pathways: citric acid cycle enzymes pentose phosphate intermediates glycoproteins enzymes glycosaminoglycans proteoglycan enzymes phospholipid metabolism cholesterol and steroid intermediates sphingolipids enzymes eicosanoids enzymes amino acid intermediates urea cycle enzymes nucleotide intermediates Disorders Citric acid cycle and electron transport chain Glycoprotein Proteoglycan Fatty-acid Phospholipid Cholesterol and steroid Eicosanoid Amino acid Purine-pyrimidine Heme metabolism Symptoms and signs Treatment Drugs other