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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
Palmityl-CoA
3-Dehydrosphinganine
Sphinganine
NADPH
NADP
ATP
ADP
Sphinganine 1-phosphate
ADP
ATP
P
i
O-
Phosphoethanolamine
Sphingosine 1-phosphate
Sphingosine
ATP
ADP
ADP
ATP
P
i
Ceramide (d18:1/18:0)
SM(d18:1/18:0)
Succinyl-CoA
Sphinganine
Dihydroceramide
CoA
Ferrocytochrome
O
2
H
+
Phytosphingosine
ferricytochrome
c
H
2
O
Pyridoxal
5'-phosphate
Magnesium
Pyridoxal
5'-phosphate
Pyridoxal
5'-phosphate
Magnesium
Zinc
Calcium
Glycine and
Serine
Metabolism
Intracellular space
Endoplasmic Reticulum
Golgi complex
Endoplasmic Reticulum
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
LAG1
LAC1
SUR2
Unknown
L-Serine
Palmityl-CoA
3-
Dehydrosphinganine
Sphinganine
NADPH
NADP
Adenosine
triphosphate
Adenosine
diphosphate
Sphinganine
1-phosphate
Adenosine
diphosphate
Adenosine
triphosphate
Phosphate
O-
Phosphoethanolamine
Sphingosine
1-phosphate
Sphingosine
Adenosine
triphosphate
Adenosine
diphosphate
Adenosine
diphosphate
Adenosine
triphosphate
Phosphate
Ceramide
(d18:1/18:0)
SM(d18:1/18:0)
Succinyl-CoA
Sphinganine
Dihydroceramide
Coenzyme A
Ferrocytochrome
Oxygen
Hydrogen Ion
Phytosphingosine
ferricytochrome
c
Water
Glycine and
Serine
Metabolism