KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate [PATH:esn00010 esn01200 esn01100]
M00002 Glycolysis, core module involving three-carbon compounds [PATH:esn00010 esn01200 esn01230 esn01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:esn00010 esn00020 esn01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:esn00010 esn00020 esn00620 esn00785 esn01200 esn01210 esn01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:esn00020 esn01200 esn01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:esn00020 esn01200 esn01210 esn01230 esn01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:esn00020 esn01200 esn01210 esn01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:esn00030 esn01200 esn01100]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:esn00030 esn01200 esn01100]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:esn00030 esn01200 esn01230 esn01100]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:esn00030 esn00230 esn01200 esn01230 esn01100]

Other carbohydrate metabolism
M00632 Galactose degradation, Leloir pathway, galactose => alpha-D-glucose-1P [PATH:esn00052 esn01100]
M00854 Glycogen biosynthesis, glucose-1P => glycogen/starch [PATH:esn00500 esn01100]
M00855 Glycogen degradation, glycogen => glucose-6P [PATH:esn00500 esn01100]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:esn00520 esn01250 esn01100]
M00554 Nucleotide sugar biosynthesis, galactose => UDP-galactose [PATH:esn00520 esn00052 esn01250 esn01100]
M00892 UDP-N-acetyl-D-glucosamine biosynthesis, eukaryotes, glucose => UDP-GlcNAc [PATH:esn00520 esn01250 esn01100]
M00741 Propanoyl-CoA metabolism, propanoyl-CoA => succinyl-CoA [PATH:esn00280 esn00630 esn00640 esn01200 esn01100]
M00130 Inositol phosphate metabolism, PI=> PIP2 => Ins(1,4,5)P3 => Ins(1,3,4,5)P4 [PATH:esn00562 esn01100]

Energy metabolism
Carbon fixation
Methane metabolism
Nitrogen metabolism
Sulfur metabolism
Photosynthesis
ATP synthesis
M00142 NADH:ubiquinone oxidoreductase, mitochondria [PATH:esn00190 esn01100]
M00143 NADH dehydrogenase (ubiquinone) Fe-S protein/flavoprotein complex, mitochondria [PATH:esn00190 esn01100]
M00148 Succinate dehydrogenase (ubiquinone) [PATH:esn00190 esn01100]
M00151 Cytochrome bc1 complex respiratory unit [PATH:esn00190 esn01100]
M00160 V-type ATPase, eukaryotes [PATH:esn00190 esn01100]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:esn00061 esn01212 esn01100]
M00083 Fatty acid biosynthesis, elongation [PATH:esn00061 esn01212 esn01100]
M00085 Fatty acid elongation in mitochondria [PATH:esn00062 esn01212 esn01100]
M00415 Fatty acid elongation in endoplasmic reticulum [PATH:esn00062 esn01040 esn01212 esn01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:esn00061 esn00071 esn01212 esn01100]
M00087 beta-Oxidation [PATH:esn00071 esn01212 esn01100]
M00861 beta-Oxidation, peroxisome, VLCFA [PATH:esn01040 esn01212 esn01100]

Sterol biosynthesis
Lipid metabolism
M00089 Triacylglycerol biosynthesis [PATH:esn00561 esn01100]
M00098 Acylglycerol degradation [PATH:esn00561 esn01100]
M00092 Phosphatidylethanolamine (PE) biosynthesis, ethanolamine => PE [PATH:esn00564 esn01100]
M00094 Ceramide biosynthesis [PATH:esn00600 esn01100]
M00099 Sphingosine biosynthesis [PATH:esn00600 esn01100]
M00100 Sphingosine degradation [PATH:esn00600 esn01100]

Nucleotide metabolism
Purine metabolism
M00048 De novo purine biosynthesis, PRPP + glutamine => IMP [PATH:esn00230 esn01100]
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:esn00230 esn01232 esn01240 esn01100]
M00050 Guanine ribonucleotide biosynthesis, IMP => GDP,GTP [PATH:esn00230 esn01232 esn01100]
M00053 Deoxyribonucleotide biosynthesis, ADP/GDP/CDP/UDP => dATP/dGTP/dCTP/dUTP [PATH:esn00230 esn00240 esn01232 esn01100]
M00958 Adenine ribonucleotide degradation, AMP => Urate [PATH:esn00230 esn01232 esn01100]
M00959 Guanine ribonucleotide degradation, GMP => Urate [PATH:esn00230 esn01232 esn01100]
M00546 Purine degradation, xanthine => urea [PATH:esn00230 esn01100]

Pyrimidine metabolism
M00051 De novo pyrimidine biosynthesis, glutamine (+ PRPP) => UMP [PATH:esn00240 esn01240 esn01100]
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:esn00240 esn01232 esn01240 esn01100]
M00938 Pyrimidine deoxyribonucleotide biosynthesis, UDP => dTTP [PATH:esn00240 esn01232 esn01100]
M00046 Pyrimidine degradation, uracil => beta-alanine, thymine => 3-aminoisobutanoate [PATH:esn00240 esn00410 esn00770 esn01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:esn00260 esn01200 esn01230 esn01100]
M00621 Glycine cleavage system [PATH:esn00260 esn00630 esn00785 esn01200 esn01100]
M00974 Betaine metabolism, animals, betaine => glycine [PATH:esn00260 esn01100]

Cysteine and methionine metabolism
M00338 Cysteine biosynthesis, homocysteine + serine => cysteine [PATH:esn00260 esn00270 esn01230 esn01100]
M00034 Methionine salvage pathway [PATH:esn00270 esn01100]
M00035 Methionine degradation [PATH:esn00270 esn01100]

Branched-chain amino acid metabolism
M00036 Leucine degradation, leucine => acetoacetate + acetyl-CoA [PATH:esn00280 esn01100]

Lysine metabolism
M00032 Lysine degradation, lysine => saccharopine => acetoacetyl-CoA [PATH:esn00310 esn01210 esn01100]

Arginine and proline metabolism
M00015 Proline biosynthesis, glutamate => proline [PATH:esn00330 esn01230 esn01100]
M00970 Proline degradation, proline => glutamate [PATH:esn00330 esn01100]
M00972 Proline metabolism [PATH:esn00330 esn01100]

Polyamine biosynthesis
Histidine metabolism
M00045 Histidine degradation, histidine => N-formiminoglutamate => glutamate [PATH:esn00340 esn01100]

Aromatic amino acid metabolism
M00044 Tyrosine degradation, tyrosine => homogentisate [PATH:esn00350 esn01100]
M00038 Tryptophan metabolism, tryptophan => kynurenine => 2-aminomuconate [PATH:esn00380 esn01100]

Other amino acid metabolism
M00027 GABA (gamma-Aminobutyrate) shunt [PATH:esn00250 esn00650 esn01100]
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:esn00480 esn01240 esn01100]

Glycan metabolism
Glycan biosynthesis
M00073 N-glycan precursor trimming [PATH:esn00510 esn01100]

Glycosaminoglycan metabolism
M00057 Glycosaminoglycan biosynthesis, linkage tetrasaccharide [PATH:esn00532 esn00534 esn01100]
M00058 Glycosaminoglycan biosynthesis, chondroitin sulfate backbone [PATH:esn00532 esn01100]
M00059 Glycosaminoglycan biosynthesis, heparan sulfate backbone [PATH:esn00534 esn01100]
M00077 Chondroitin sulfate degradation [PATH:esn00531 esn01100]
M00079 Keratan sulfate degradation [PATH:esn00531 esn01100]

Lipopolysaccharide metabolism
Other polysaccharide metabolism
Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00120 Coenzyme A biosynthesis, pantothenate => CoA [PATH:esn00770 esn01240 esn01100]
M00882 Lipoic acid biosynthesis, eukaryotes, octanoyl-ACP => dihydrolipoyl-H [PATH:esn00785 esn01240 esn01100]
M00883 Lipoic acid biosynthesis, animals and bacteria, octanoyl-ACP => dihydrolipoyl-H => dihydrolipoyl-E2 [PATH:esn00785 esn01240 esn01100]
M00842 Tetrahydrobiopterin biosynthesis, GTP => BH4 [PATH:esn00790 esn01240 esn01100]
M00141 C1-unit interconversion, eukaryotes [PATH:esn00670 esn01240 esn01100]
M00128 Ubiquinone biosynthesis, eukaryotes, 4-hydroxybenzoate + polyprenyl-PP => ubiquinol [PATH:esn00130 esn01240 esn01100]

Biosynthesis of terpenoids and polyketides
Terpenoid backbone biosynthesis
M00095 C5 isoprenoid biosynthesis, mevalonate pathway [PATH:esn00900 esn01100]
M00367 C10-C20 isoprenoid biosynthesis, non-plant eukaryotes [PATH:esn00900 esn01100]

Plant terpenoid biosynthesis
Macrolide biosynthesis
Enediyne biosynthesis
Type II polyketide biosynthesis
Polyketide sugar unit biosynthesis
Biosynthesis of other secondary metabolites
Biosynthesis of phytochemical compounds
Biosynthesis of beta-lactams
Biosynthesis of other antibiotics
Biosynthesis of other fungal compounds
Biosynthesis of other bacterial compounds
Xenobiotics biodegradation
Aromatics degradation

Gene set
Pathogenicity
Drug resistance
Plant pathogenicity
Symbiosis
Module set
Metabolic capacity