Cytidine triphosphate + O-Phosphoethanolamine → CDP-ethanolamine + Pyrophosphate
Phosphatidylserine decarboxylase proenzyme, mitochondrial
Phosphatidylethanolamine Biosynthesis PE(20:3(8Z,11Z,14Z)/18:2(9Z,12Z))
Ethanolamine-phosphate cytidylyltransferase
Adenosine triphosphate + Ethanolamine → Adenosine diphosphate + Hydrogen Ion + O-Phosphoethanolamine