3.1.4.39 1-alkyl-sn-glycero-3-phosphocholine + H2O - 3.1.4.39 1-alkyl-sn-glycero-3-phosphocholine + H2O 16:0, 18:1 and 18:2-lysophosphatidylcholine are the predominant physiological substrates of the enzyme in rabbit aqueous humor 3.1.4.39 1-alkyl-sn-glycero-3-phosphoethanolamine + H2O - 3.1.4.39 1-O-alkyl-2-lyso-sn-glycero-3-phosphocholine + H2O may play a role in the metabolism of platelet-activating factor 3.1.4.39 lysophosphatidyl choline + H2O - 3.1.4.39 lysophosphatidylcholine + H2O - 3.1.4.39 lysophosphatidylcholine + H2O present in the plasma 3.1.4.39 lysophosphatidylcholine + H2O lysophospholipase D activity 3.1.4.39 additional information the product lysophosphatidic acid mediates multiple biological functions 3.1.4.39 additional information activity implicated in a large variety of biological processes (during normal development and under pathological conditions). Developmental roles include adipogenesis, intestinal cell motility and neurite morphology, a contribution to disease is described for alzheimer's disease, chronic hepatitis C, multiple sclerosis, neuropathic pain, obesity, rheumatoid arthritis