Endoplasmic Reticulum
Unknown
Serine
palmitoyltransferase
1
3-
ketodihydrosphingosine
reductase
Sphingosine
kinase 2
Sphingosine-1-
phosphate
phosphatase 2
Lipid phosphate
phosphohydrolase
1
Sphingosine-1-
phosphate lyase 1
Sphingosine-1-
phosphate lyase 1
Sphingosine
kinase 2
Sphingosine-1-
phosphate
phosphatase 2
Lipid phosphate
phosphohydrolase
1
Phosphatidylcholine:ceramide
cholinephosphotransferase
1
Ectonucleotide
pyrophosphatase/phosphodiesterase
family member 7
Acyl-CoA-
dependent
ceramide synthase
Acyl-CoA-
dependent
ceramide synthase
2
sphinganine
C4-monooxygenase
Alkaline
ceramidase 3
L-Serine
Palmitoyl-CoA
3-
Dehydrosphinganine
Sphinganine
NADPH
NADP
ATP
ADP
Sphinganine
1-phosphate
ADP
ATP
Pi
O-
Phosphoethanolamine
Sphingosine
1-phosphate
Sphingosine
ATP
ADP
ADP
ATP
Pi
Ceramide
(d18:1/18:0)
SM(d18:1/18:0)
Succinyl-CoA
Sphinganine
Dihydroceramide
CoA
Ferrocytochrome
O2
H+
Phytosphingosine
ferricytochrome c
H2O
Pyridoxal
5'-phosphate
Magnesium
Pyridoxal
5'-phosphate
Pyridoxal
5'-phosphate
Magnesium
Zinc
Calcium
Glycine and
Serine
Metabolism
Intracellular space
Endoplasmic Reticulum
Golgi complex
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