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  • Title: Enzymatic synthesis of [3H]Cytidine 5'-diphospho-1, 2-diacyl-sn-glycerol.
    Author: Zhao M, Rua D, Hajra AK, Greenberg ML.
    Journal: Anal Biochem; 1998 Apr 10; 258(1):48-52. PubMed ID: 9527846.
    Abstract:
    Cytidine 5'-diphospho-1,2-diacyl-sn-glycerol (CDP-diacylglycerol; CDP-DG) is an important intermediate in the biosynthesis of the major glycerophosphate-based phospholipids of prokaryotes and eukaryotes. This compound is expensive to purchase and inefficient to prepare chemically. Radiolabeled CDP-diacylglycerol is unavailable commercially. We describe a simple and inexpensive method to synthesize [3H]CDP-DG enzymatically. The three-step enzymatic procedure includes phosphorylation of [3H]glycerol to sn-[3H]glycerol 3-phosphate (G3P) by glycerokinase,acylation of [3H]G3P to [3H]phosphatidic acid (PA) by G3P acyltransferase, and conversion of [3H]PA and CTP to [3H]CDP-DG by CDP-DG synthase. This procedure is considerably less labor intensive and less expensive than is chemical synthesis, and the yield is at least 30%.
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