Cytidine triphosphate + O-Phosphoethanolamine → CDP-ethanolamine + Pyrophosphate
Phosphatidylethanolamine Biosynthesis PE(20:3(8Z,11Z,14Z)/20:0)
Phosphatidylserine decarboxylase proenzyme, mitochondrial
Ethanolamine-phosphate cytidylyltransferase
Adenosine triphosphate + Ethanolamine → Adenosine diphosphate + Hydrogen Ion + O-Phosphoethanolamine
CDP-ethanolamine + DG(20:3(8Z,11Z,14Z)/20:0/0:0) → Cytidine monophosphate + PE(20:3(8Z,11Z,14Z)/20:0)