Toggle navigation
SMPDB
Browse SMPDB
Pathways
Table of Primary Pathways
Compounds
Proteins
Search
TextQuery Search Instructions
SMP-MAP Advanced Search
ChemQuery Structure Search
Molecular Weight Search
Sequence Search
About
About SMPDB
Release Notes
Citing SMPDB
Statistics
Other Databases
Pathway Legend
Pathway Category Definitions
PathWhiz
Downloads
Contact Us
Quantitative metabolomics services for biomarker discovery and validation.
Specializing in ready to use metabolomics kits.
Your source for quantitative metabolomics technologies and bioinformatics.
Loading Pathway...
Error: Pathway image not found.
Serine
hydroxymethyltransferase,
cytosolic
Methylenetetrahydrofolate
reductase
Methionine
synthase
Cystathionine
gamma-lyase
Cystathionine
beta-synthase
Cystathionine
beta-synthase
Betaine--
homocysteine S-
methyltransferase
1
S-
adenosylmethionine
decarboxylase
proenzyme
Spermidine
synthase
S-methyl-5'-
thioadenosine
phosphorylase
Adenosylhomocysteinase
Betaine--
homocysteine S-
methyltransferase
1
L-amino-acid
oxidase
Methionine--tRNA
ligase,
cytoplasmic
Methionyl-tRNA
formyltransferase,
mitochondrial
S-
adenosylmethionine
synthase
Choline
dehydrogenase,
mitochondrial
Methionine-R-
sulfoxide
reductase B3
Methionine-R-
sulfoxide
reductase B2,
mitochondrial
Glycine N-
methyltransferase
L-Homoserine
L-Cysteine
Homocysteine
Tetrahydrofolic
acid
L-Serine
5,10-Methylene-
THF
Glycine
5-
Methyltetrahydrofolic
acid
L-Methionine
L-Cystathionine
H
2
O
2-Ketobutyric
acid
L-Serine
H
2
O
L-Serine
H
2
O
S-
Adenosylmethionine
S-
Adenosylmethioninamine
CO
2
Putrescine
5'-
Methylthioadenosine
Spermidine
P
i
5-
Methylthioribose
1-phosphate
L-Methionine
S-
Adenosylhomocysteine
Adenosine
βine
Dimethylglycine
H
2
O
O
2
2-Oxo-4-
methylthiobutanoic
acid
NH
3
H
2
O
2
ATP
AMP
PP
i
10-
Formyltetrahydrofolate
Tetrahydrofolic
acid
ATP
P
i
PP
i
Choline
Methionine
sulfoxide
Sarcosine
Glycine
Pyridoxal
5'-phosphate
Zinc (II) ion
Pyridoxal
5'-phosphate
Pyridoxal
5'-phosphate
Zinc (II) ion
FAD
Acceptor
Reduced
acceptor
oxidized
thioredoxin
reduced
thioredoxin
tRNA(Met)
L-
Methionyl-
tRNA(Met)
N-
formylmethionyl-
tRNA(fMet)
Glycine and
Serine
Metabolism
Cysteine
Metabolism
Sulfate/Sulfite
Metabolism
FAD
Pyridoxal
5'-phosphate
Zinc (II) ion
NAD
Magnesium
Potassium
Zinc
Zinc
FAD
Intracellular space
Nuclear envelope
Mitochondria
Mitochondria