Alpha-aminoadipic
semialdehyde
dehydrogenase
Betaine--
homocysteine S-
methyltransferase
1
Methionine
synthase
S-
adenosylmethionine
synthase isoform
type-2
Methionine
adenosyltransferase
2 subunit beta
Adenosylhomocysteinase
Choline
dehydrogenase,
mitochondrial
Phosphatidylethanolamine
N-
methyltransferase
Tetrahydrofolic
acid
5-
Methyltetrahydrofolic
acid
βine
βine
Choline
Choline
βine aldehyde
NAD
H2O
NADH
Homocysteine
Dimethylglycine
L-Methionine
ATP
H2O
S-
Adenosylmethionine
Pi
PPi
S-
Adenosylhomocysteine
H2O
Adenosine
Phosphatidyl-
ethanolamide
Phosphatidyl-N-
methylethanolamine
Zinc (II) ion
Zinc (II) ion
Magnesium
Potassium
FAD
Acceptor
Reduced
acceptor
One Carbon Pool
by Folate
NAD
Extracellular Space
Intracellular Space
Liver
Kidney