choline/ethanolamine kinase Ethanolamine- phosphate cytidylyltransferase phosphatidylserine synthase phosphatidylserine decarboxylase choline/ethanolaminephosphotransferase PC(20:3(8Z,11Z,14Z)/14:0) Ethanolamine ATP O- Phosphoethanolamine ADP H + Cytidine triphosphate PP i CDP- Ethanolamine L-Serine Choline PS(20:3(8Z,11Z,14Z)/14:0) PS(20:3(8Z,11Z,14Z)/14:0) PE(20:3(8Z,11Z,14Z)/14:0) CO 2 DG(20:3(8Z,11Z,14Z)/14:0/0:0) Cytidine monophosphate PE(20:3(8Z,11Z,14Z)/14:0) Phosphatidylcholine Biosynthesis Endoplasmic Reticulum Membrane Mitochondrial Outer Membrane Cytosol Endoplasmic Reticulum Lumen Mitochondrial Intermembrane Spance Mitochondrial Matrix Mitochondrial Inner Membrane
