Phosphatidylserine
decarboxylase
Choline/ethanolamine
kinase
Ethanolamine-
phosphate
cytidylyltransferase
Choline/ethanolaminephosphotransferase
Phosphatidylserine
synthase
CO2
Ethanolamine
ATP
O-
Phosphoethanolamine
ADP
H+
Cytidine
triphosphate
PPi
CDP-ethanolamine
Cytidine
monophosphate
L-Serine
Choline
Phosphatidylcholine
an L-1-
Phosphatidylserine
an L-1-
Phosphatidylserine
an L-1-
Phosphatidylethanolamine
an L-1-
Phosphatidylethanolamine
1,2-Diacyl-
sn-glycerol
Phosphatidylcholine
Biosynthesis
Endoplasmic Reticulum
Membrane
Mitochondrial Outer Membrane
Cytosol
Endoplasmic Reticulum Lumen
Mitochondrial Intermembrane
Spance
Mitochondrial Matrix
Mitochondrial Inner Membrane