| phosphatidic acid | <biochemistry> The parent structure for phosphatidyl phospholipids, present in low concentrations in membranes. The acyl groups are derived from long chain fatty acids. An intermediate in the synthesis of diacyl glycerol, the immediate precursor of most of the phosphatidyl phospholipids (except phosphatidyl inositol) and of triacyl glycerols. (31 Dec 1997) |
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| phosphatidic acid kinase | <enzyme> Plant enzyme which converts phosphatidic acid to diacylglycerol pyrophosphate Registry number: EC 2.7.4.- (26 Jun 1999) |
| phosphatidic acids | Fatty acid derivatives of glycerophosphates. They are composed of glycerol bound in ester linkage with 1 mole of phosphoric acid at the terminal 3-hydroxyl group and with 2 moles of fatty acids at the other two hydroxyl groups. (12 Dec 1998) |