KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate [PATH:aga00010 aga01200 aga01100]
M00002 Glycolysis, core module involving three-carbon compounds [PATH:aga00010 aga01200 aga01230 aga01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:aga00010 aga00020 aga01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:aga00010 aga00020 aga00620 aga01200 aga01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:aga00020 aga01200 aga01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:aga00020 aga01200 aga01210 aga01230 aga01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:aga00020 aga01200 aga01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:aga00030 aga01200 aga01100]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:aga00030 aga01200 aga01100]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:aga00030 aga01200 aga01230 aga01100]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:aga00030 aga00230 aga01200 aga01230 aga01100]

Other carbohydrate metabolism
M00014 Glucuronate pathway (uronate pathway) [PATH:aga00040 aga01100]
M00632 Galactose degradation, Leloir pathway, galactose => alpha-D-glucose-1P [PATH:aga00052 aga01100]
M00854 Glycogen biosynthesis, glucose-1P => glycogen/starch [PATH:aga00500 aga01100]
M00855 Glycogen degradation, glycogen => glucose-6P [PATH:aga00500 aga01100]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:aga00520 aga01250 aga01100]
M00554 Nucleotide sugar biosynthesis, galactose => UDP-galactose [PATH:aga00520 aga00052 aga01250 aga01100]
M00892 UDP-N-acetyl-D-glucosamine biosynthesis, eukaryotes, glucose => UDP-GlcNAc [PATH:aga00520 aga01250 aga01100]
M00013 Malonate semialdehyde pathway, propanoyl-CoA => acetyl-CoA [PATH:aga00410 aga00640 aga01200 aga01100]
M00131 Inositol phosphate metabolism, Ins(1,3,4,5)P4 => Ins(1,3,4)P3 => myo-inositol [PATH:aga00562 aga01100]

Energy metabolism
Carbon fixation
Methane metabolism
Nitrogen metabolism
Sulfur metabolism
Photosynthesis
ATP synthesis
M00142 NADH:ubiquinone oxidoreductase, mitochondria [PATH:aga00190]
M00143 NADH dehydrogenase (ubiquinone) Fe-S protein/flavoprotein complex, mitochondria [PATH:aga00190]
M00146 NADH dehydrogenase (ubiquinone) 1 alpha subcomplex [PATH:aga00190]
M00147 NADH dehydrogenase (ubiquinone) 1 beta subcomplex [PATH:aga00190]
M00148 Succinate dehydrogenase (ubiquinone) [PATH:aga00190]
M00151 Cytochrome bc1 complex respiratory unit [PATH:aga00190]
M00154 Cytochrome c oxidase [PATH:aga00190]
M00158 F-type ATPase, eukaryotes [PATH:aga00190]
M00160 V-type ATPase, eukaryotes [PATH:aga00190]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:aga00061 aga01212 aga01100]
M00083 Fatty acid biosynthesis, elongation [PATH:aga00061 aga01212 aga01100]
M00085 Fatty acid elongation in mitochondria [PATH:aga00062 aga01212 aga01100]
M00415 Fatty acid elongation in endoplasmic reticulum [PATH:aga00062 aga01040 aga01212 aga01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:aga00061 aga00071 aga01212 aga01100]
M00087 beta-Oxidation [PATH:aga00071 aga01212 aga01100]
M00861 beta-Oxidation, peroxisome, VLCFA [PATH:aga01040 aga01212 aga01100]

Sterol biosynthesis
Lipid metabolism
M00089 Triacylglycerol biosynthesis [PATH:aga00561 aga01100]
M00098 Acylglycerol degradation [PATH:aga00561 aga01100]
M00090 Phosphatidylcholine (PC) biosynthesis, choline => PC [PATH:aga00564 aga01100]
M00092 Phosphatidylethanolamine (PE) biosynthesis, ethanolamine => PE [PATH:aga00564 aga01100]
M00094 Ceramide biosynthesis [PATH:aga00600 aga01100]
M00099 Sphingosine biosynthesis [PATH:aga00600 aga01100]
M00100 Sphingosine degradation [PATH:aga00600 aga01100]

Nucleotide metabolism
Purine metabolism
M00048 De novo purine biosynthesis, PRPP + glutamine => IMP [PATH:aga00230 aga01100]
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:aga00230 aga01232 aga01240 aga01100]
M00050 Guanine ribonucleotide biosynthesis, IMP => GDP,GTP [PATH:aga00230 aga01232 aga01100]
M00053 Deoxyribonucleotide biosynthesis, ADP/GDP/CDP/UDP => dATP/dGTP/dCTP/dUTP [PATH:aga00230 aga00240 aga01232 aga01100]
M00958 Adenine ribonucleotide degradation, AMP => Urate [PATH:aga00230 aga01232]
M00959 Guanine ribonucleotide degradation, GMP => Urate [PATH:aga00230 aga01232]
M00546 Purine degradation, xanthine => urea [PATH:aga00230 aga01100]

Pyrimidine metabolism
M00051 De novo pyrimidine biosynthesis, glutamine (+ PRPP) => UMP [PATH:aga00240 aga01240 aga01100]
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:aga00240 aga01232 aga01240 aga01100]
M00938 Pyrimidine deoxyribonucleotide biosynthesis, UDP => dTTP [PATH:aga00240 aga01232 aga01100]
M00046 Pyrimidine degradation, uracil => beta-alanine, thymine => 3-aminoisobutanoate [PATH:aga00240 aga01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:aga00260 aga01200 aga01230 aga01100]

Cysteine and methionine metabolism
M00338 Cysteine biosynthesis, homocysteine + serine => cysteine [PATH:aga00260 aga00270 aga01230 aga01100]
M00034 Methionine salvage pathway [PATH:aga00270 aga01100]

Branched-chain amino acid metabolism
M00036 Leucine degradation, leucine => acetoacetate + acetyl-CoA [PATH:aga00280 aga01100]

Lysine metabolism
Arginine and proline metabolism
M00015 Proline biosynthesis, glutamate => proline [PATH:aga00330 aga01230 aga01100]

Polyamine biosynthesis
M00134 Polyamine biosynthesis, arginine => ornithine => putrescine [PATH:aga00330 aga01100]
M00135 GABA biosynthesis, eukaryotes, putrescine => GABA [PATH:aga00330 aga01100]

Histidine metabolism
Aromatic amino acid metabolism
M00044 Tyrosine degradation, tyrosine => homogentisate [PATH:aga00350 aga01100]

Other amino acid metabolism
M00027 GABA (gamma-Aminobutyrate) shunt [PATH:aga00250 aga00650 aga01100]
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:aga00480 aga01240 aga01100]

Glycan metabolism
Glycan biosynthesis
M00055 N-glycan precursor biosynthesis [PATH:aga00510 aga01100]
M00072 N-glycosylation by oligosaccharyltransferase [PATH:aga00510 aga00513 aga01100]

Glycosaminoglycan metabolism
M00058 Glycosaminoglycan biosynthesis, chondroitin sulfate backbone [PATH:aga00532 aga01100]
M00059 Glycosaminoglycan biosynthesis, heparan sulfate backbone [PATH:aga00534 aga01100]
M00076 Dermatan sulfate degradation [PATH:aga00531 aga01100]

Lipopolysaccharide metabolism
Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00120 Coenzyme A biosynthesis, pantothenate => CoA [PATH:aga00770 aga01240 aga01100]
M00882 Lipoic acid biosynthesis, eukaryotes, octanoyl-ACP => dihydrolipoyl-H [PATH:aga00785 aga01240 aga01100]
M00883 Lipoic acid biosynthesis, animals and bacteria, octanoyl-ACP => dihydrolipoyl-H => dihydrolipoyl-E2 [PATH:aga00785 aga01240 aga01100]
M00842 Tetrahydrobiopterin biosynthesis, GTP => BH4 [PATH:aga00790 aga01240 aga01100]
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor [PATH:aga00790 aga01240 aga01100]
M00141 C1-unit interconversion, eukaryotes [PATH:aga00670 aga01240 aga01100]
M00868 Heme biosynthesis, animals and fungi, glycine => heme [PATH:aga00860 aga01240 aga01100]
M00128 Ubiquinone biosynthesis, eukaryotes, 4-hydroxybenzoate + polyprenyl-PP => ubiquinol [PATH:aga00130 aga01240 aga01100]

Biosynthesis of terpenoids and polyketides
Terpenoid backbone biosynthesis
M00095 C5 isoprenoid biosynthesis, mevalonate pathway [PATH:aga00900 aga01100]
M00367 C10-C20 isoprenoid biosynthesis, non-plant eukaryotes [PATH:aga00900 aga01100]

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