Lipid classes are: PE, phosphatidylethanolamines; LPE; lyso-phosphatidylethanolamines; PE-O, 1-alkyl-2-acylglycerophosphoethanolamines; PS, phosphatidylserines; PC, phosphatidylcholines; PC-O, 1-alkyl-2-acylglycerophosphocholines; LPC, lysophosphatidylcholines; SM, sphingomyelins; PA, phosphatidic acids; PG, phosphatidylglycerols; PI, phosphatidylinositols; DAG, diacylglycerols; TAG, triacylglycerols; CL, cardiolipins; LCL, triacyl-lysocardiolipins; Cer, ceramides; Chol, cholesterol; CholEst, cholesterol esters.
Individual molecular species are annotated as follows: :/:. For example, PC 18:0/18:1 stands for a phosphatidylcholine comprising the moieties stearic (18:0) and oleic (18:1) fatty acids. If the exact composition of fatty acid or fatty alcohol moieties is not known, the species are annotated as: :. In this way, PC 36:1 stands for a PC species having 36 carbon atoms and one double bond in both fatty acid moieties.
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