KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00002 Glycolysis, core module involving three-carbon compounds
M00003 Gluconeogenesis, oxaloacetate => fructose-6P
M00009 Citrate cycle (TCA cycle, Krebs cycle)
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate
M00006 Pentose phosphate pathway, oxidative phase, glucose-6P => ribulose-5P
M00007 Pentose phosphate pathway, non-oxidative phase, fructose-6P => ribose-5P
M00005 PRPP biosynthesis, ribose-5P => PRPP

Other carbohydrate metabolism
M00854 Glycogen biosynthesis, glucose-1P => glycogen/starch
M00855 Glycogen degradation, glycogen => glucose-6P

Energy metabolism
ATP synthesis
M00148 Succinate dehydrogenase (ubiquinone)
M00151 Cytochrome bc1 complex respiratory unit

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation
M00083 Fatty acid biosynthesis, elongation
M00085 Fatty acid elongation in mitochondria
M00415 Fatty acid elongation in endoplasmic reticulum
M00086 beta-Oxidation, acyl-CoA synthesis
M00087 beta-Oxidation

Lipid metabolism
M00089 Triacylglycerol biosynthesis
M00092 Phosphatidylethanolamine (PE) biosynthesis, ethanolamine => PE
M00094 Ceramide biosynthesis
M00099 Sphingosine biosynthesis

Nucleotide metabolism
Purine metabolism
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP
M00053 Deoxyribonucleotide biosynthesis, ADP/GDP/CDP/UDP => dATP/dGTP/dCTP/dUTP

Pyrimidine metabolism
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP
M00938 Pyrimidine deoxyribonucleotide biosynthesis, UDP => dTTP

Amino acid metabolism
Cysteine and methionine metabolism
M00338 Cysteine biosynthesis, homocysteine + serine => cysteine

Arginine and proline metabolism
M00970 Proline degradation, proline => glutamate

Other amino acid metabolism
M00027 GABA (gamma-Aminobutyrate) shunt
M00118 Glutathione biosynthesis, glutamate => glutathione

Glycan metabolism
Nucleotide sugar biosynthesis
M00892 UDP-GlcNAc biosynthesis, eukaryotes, Fru-6P => UDP-GlcNAc
M01003 UDP-GlcNAc biosynthesis, GlcNAc => UDP-GlcNAc
M00549 UDP-Glc biosynthesis, Glc => UDP-Glc
M01016 GDP-L-Fuc biosynthesis, GDP-Man => GDP-L-Fuc

Glycan biosynthesis
M00072 N-glycosylation by oligosaccharyltransferase
M00073 N-glycan precursor trimming

Glycosaminoglycan metabolism
M00057 Glycosaminoglycan biosynthesis, linkage tetrasaccharide

Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00120 Coenzyme A biosynthesis, pantothenate => CoA
M00882 Lipoic acid biosynthesis, eukaryotes, octanoyl-ACP => dihydrolipoyl-H
M00883 Lipoic acid biosynthesis, animals and bacteria, octanoyl-ACP => dihydrolipoyl-H => di..
M00842 Tetrahydrobiopterin biosynthesis, GTP => BH4