MSI_000057888

Unreliable

排名分数: 2.64
参考来源: Homo sapiens (UBERON:0001043: esophagus)

M/z: 757.5753
Mass Window: 757.5752 ~ 757.5753 (0.5 ppm)

参考注释

PA(18:1(9Z)/22:1(13Z))_[M+H]+ (BioDeep_00000107294)
[(2R)-2-[(13Z)-docos-13-enoyloxy]-3-[(9Z)-octadec-9-enoyloxy]propoxy]phosphonic acid

Formula: C43H81O8P (756.5668756)
SMILES: [H][C@@](COC(=O)CCCCCCC\C=C/CCCCCCCC)(COP(O)(O)=O)OC(=O)CCCCCCCCCCC\C=C/CCCCCCCC

PA(18:1(9Z)/22:1(13Z)) is a phosphatidic acid. It is a glycerophospholipid in which a phosphate moiety occupies a glycerol substitution site. As is the case with diacylglycerols, phosphatidic acids can have many different combinations of fatty acids of varying lengths and saturation attached at the C-1 and C-2 positions. Fatty acids containing 16, 18 and 20 carbons are the most common. PA(18:1(9Z)/22:1(13Z)), in particular, consists of one chain of oleic acid at the C-1 position and one chain of erucic acid at the C-2 position. Phosphatidic acids are quite rare but are extremely important as intermediates in the biosynthesis of triacylglycerols and phospholipids.