L-Serine + PC(13M5/11M5) → Choline + PS(13M5/11M5)
Choline/ethanolaminephosphotransferase 1
Cytidine triphosphate + O-Phosphoethanolamine → CDP-ethanolamine + Pyrophosphate
Phosphatidylserine decarboxylase proenzyme
CDP-ethanolamine + DG(13M5/11M5/0:0) → Cytidine monophosphate + PE(13M5/11M5)
PS(13M5/11M5) → Carbon dioxide + PE(13M5/11M5)
Ethanolamine-phosphate cytidylyltransferase
Adenosine triphosphate + Ethanolamine → Adenosine diphosphate + Hydrogen Ion + O-Phosphoethanolamine
Phosphatidylethanolamine Biosynthesis PE(13M5/11M5)