Cytidine triphosphate + O-Phosphoethanolamine → CDP-ethanolamine + Pyrophosphate
Phosphatidylethanolamine Biosynthesis PE(20:4(5Z,8Z,11Z,14Z)/18:4(6Z,9Z,12Z,15Z))
Phosphatidylserine decarboxylase proenzyme, mitochondrial
Ethanolamine-phosphate cytidylyltransferase
Adenosine triphosphate + Ethanolamine → Adenosine diphosphate + Hydrogen Ion + O-Phosphoethanolamine