L-Serine + PC(9M5/9M5) → Choline + PS(9M5/9M5)
Choline/ethanolaminephosphotransferase 1
Cytidine triphosphate + O-Phosphoethanolamine → CDP-ethanolamine + Pyrophosphate
Phosphatidylserine decarboxylase proenzyme
Ethanolamine-phosphate cytidylyltransferase
Phosphatidylethanolamine Biosynthesis PE(9M5/9M5)
Adenosine triphosphate + Ethanolamine → Adenosine diphosphate + Hydrogen Ion + O-Phosphoethanolamine
CDP-ethanolamine + DG(9M5/9M5/0:0) → Cytidine monophosphate + PE(9M5/9M5)
PS(9M5/9M5) → Carbon dioxide + PE(9M5/9M5)