About the structure and biological function of PA
Structure. Phosphatidates (phosphatidic acids, PtdOH, or PA) are a type of glycerophosphates, a class of glycerophospholipids. Their structure consists of a glycerol backbone linked to two fatty acids and a phosphate group. The fatty acids can be of variable length, hydroxylated, and contain double bonds.
Phosphatidates are found in all organisms and each cell type, though at low concentrations. On a subcellular level, they are enriched in biological membranes.
Function. Phosphatidates are key intermediates in the synthesis of other glycerophospholipids and triacylglycerols. Yet, phosphatidates modulate signaling and cellular processes such as vesicular trafficking, enzyme activity, as well as membrane structure and dynamics. They are activators of lipid-gated ion channels. They are also precursors of lyso-phosphatidates, which are key signaling molecules. Further, the reaction product of phosphatidates with ethanol is used as biomarker for alcohol consumption and they are the key plant lipid second messengers.
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PA lipidomics analysis with
|Structural details||subspecies level|
|Variants identified||> 500|
|Device||Q Exactive Orbitrap (280.000 Res)|
|Delivery time||2-6 weeks|
|Lipidomics data||pmol & mol%|
TAG, DAG, PA, PC, PE, PG, PI, PS, CE, SM
2Blood Extended includes:
PA, PG, LPA, LPI, LPC O-, LPE O-, HexCer
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