KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate [PATH:etl00010 etl01200 etl01100]
M00002 Glycolysis, core module involving three-carbon compounds [PATH:etl00010 etl01200 etl01230 etl01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:etl00010 etl00020 etl01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:etl00010 etl00020 etl00620 etl01200 etl01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:etl00020 etl01200 etl01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:etl00020 etl01200 etl01210 etl01230 etl01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:etl00020 etl01200 etl01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:etl00030 etl01200 etl01100]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:etl00030 etl01200 etl01100]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:etl00030 etl01200 etl01230 etl01100]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:etl00030 etl00230 etl01200 etl01230 etl01100]

Other carbohydrate metabolism
M00014 Glucuronate pathway (uronate pathway) [PATH:etl00040 etl01100]
M00632 Galactose degradation, Leloir pathway, galactose => alpha-D-glucose-1P [PATH:etl00052 etl01100]
M00129 Ascorbate biosynthesis, animals, glucose-1P => ascorbate [PATH:etl00040 etl00053 etl01240 etl01100]
M00854 Glycogen biosynthesis, glucose-1P => glycogen/starch [PATH:etl00500 etl01100]
M00855 Glycogen degradation, glycogen => glucose-6P [PATH:etl00500 etl01100]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:etl00520 etl01100]
M00554 Nucleotide sugar biosynthesis, galactose => UDP-galactose [PATH:etl00520 etl00052 etl01100]
M00892 UDP-N-acetyl-D-glucosamine biosynthesis, eukaryotes, glucose => UDP-GlcNAc [PATH:etl00520 etl01100]
M00741 Propanoyl-CoA metabolism, propanoyl-CoA => succinyl-CoA [PATH:etl00280 etl00630 etl00640 etl01200 etl01100]
M00130 Inositol phosphate metabolism, PI=> PIP2 => Ins(1,4,5)P3 => Ins(1,3,4,5)P4 [PATH:etl00562 etl01100]
M00131 Inositol phosphate metabolism, Ins(1,3,4,5)P4 => Ins(1,3,4)P3 => myo-inositol [PATH:etl00562 etl01100]
M00132 Inositol phosphate metabolism, Ins(1,3,4)P3 => phytate [PATH:etl00562 etl01100]

Energy metabolism
Carbon fixation
Methane metabolism
Nitrogen metabolism
Sulfur metabolism
Photosynthesis
ATP synthesis
M00143 NADH dehydrogenase (ubiquinone) Fe-S protein/flavoprotein complex, mitochondria [PATH:etl00190]
M00148 Succinate dehydrogenase (ubiquinone) [PATH:etl00190]
M00152 Cytochrome bc1 complex [PATH:etl00190]
M00160 V-type ATPase, eukaryotes [PATH:etl00190]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:etl00061 etl01212 etl01100]
M00083 Fatty acid biosynthesis, elongation [PATH:etl00061 etl01212 etl01100]
M00873 Fatty acid biosynthesis in mitochondria, animals [PATH:etl00061 etl01212 etl01100]
M00085 Fatty acid elongation in mitochondria [PATH:etl00062 etl01212 etl01100]
M00415 Fatty acid elongation in endoplasmic reticulum [PATH:etl00062 etl01040 etl01212 etl01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:etl00061 etl00071 etl01212 etl01100]
M00087 beta-Oxidation [PATH:etl00071 etl01212 etl01100]
M00861 beta-Oxidation, peroxisome, VLCFA [PATH:etl01040 etl01212 etl01100]

Sterol biosynthesis
M00862 beta-Oxidation, peroxisome, tri/dihydroxycholestanoyl-CoA => choloyl/chenodeoxycholoyl-CoA [PATH:etl00120 etl01100]
M00107 Steroid hormone biosynthesis, cholesterol => prognenolone => progesterone [PATH:etl00140 etl01100]
M00110 C19/C18-Steroid hormone biosynthesis, pregnenolone => androstenedione => estrone [PATH:etl00140 etl01100]

Lipid metabolism
M00089 Triacylglycerol biosynthesis [PATH:etl00561 etl01100]
M00098 Acylglycerol degradation [PATH:etl00561 etl01100]
M00090 Phosphatidylcholine (PC) biosynthesis, choline => PC [PATH:etl00564 etl01100]
M00091 Phosphatidylcholine (PC) biosynthesis, PE => PC [PATH:etl00564 etl01100]
M00092 Phosphatidylethanolamine (PE) biosynthesis, ethanolamine => PE [PATH:etl00564 etl01100]
M00094 Ceramide biosynthesis [PATH:etl00600 etl01100]
M00066 Lactosylceramide biosynthesis [PATH:etl00600 etl01100]
M00067 Sulfoglycolipids biosynthesis, ceramide/1-alkyl-2-acylglycerol => sulfatide/seminolipid [PATH:etl00600 etl00565 etl01100]
M00099 Sphingosine biosynthesis [PATH:etl00600 etl01100]
M00100 Sphingosine degradation [PATH:etl00600 etl01100]

Nucleotide metabolism
Purine metabolism
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:etl00230 etl01240 etl01100]
M00050 Guanine ribonucleotide biosynthesis IMP => GDP,GTP [PATH:etl00230 etl01100]

Pyrimidine metabolism
M00051 Uridine monophosphate biosynthesis, glutamine (+ PRPP) => UMP [PATH:etl00240 etl01240 etl01100]
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:etl00240 etl01240 etl01100]
M00046 Pyrimidine degradation, uracil => beta-alanine, thymine => 3-aminoisobutanoate [PATH:etl00240 etl01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:etl00260 etl01200 etl01230 etl01100]
M00555 Betaine biosynthesis, choline => betaine [PATH:etl00260 etl01100]

Cysteine and methionine metabolism
M00338 Cysteine biosynthesis, homocysteine + serine => cysteine [PATH:etl00260 etl00270 etl01230 etl01100]
M00035 Methionine degradation [PATH:etl00270 etl01100]

Branched-chain amino acid metabolism
Lysine metabolism
Arginine and proline metabolism
M00844 Arginine biosynthesis, ornithine => arginine [PATH:etl00220 etl01230 etl01100]
M00029 Urea cycle [PATH:etl00220 etl01230 etl01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:etl00330 etl01230 etl01100]
M00047 Creatine pathway [PATH:etl00330 etl01100]

Polyamine biosynthesis
M00133 Polyamine biosynthesis, arginine => agmatine => putrescine => spermidine [PATH:etl00330 etl01100]
M00134 Polyamine biosynthesis, arginine => ornithine => putrescine [PATH:etl00330 etl01100]
M00135 GABA biosynthesis, eukaryotes, putrescine => GABA [PATH:etl00330 etl01100]

Histidine metabolism
M00045 Histidine degradation, histidine => N-formiminoglutamate => glutamate [PATH:etl00340 etl01100]

Aromatic amino acid metabolism
M00042 Catecholamine biosynthesis, tyrosine => dopamine => noradrenaline => adrenaline [PATH:etl00350 etl01100]
M00043 Thyroid hormone biosynthesis, tyrosine => triiodothyronine/thyroxine [PATH:etl00350 etl01100]
M00044 Tyrosine degradation, tyrosine => homogentisate [PATH:etl00350 etl01100]
M00037 Melatonin biosynthesis, animals, tryptophan => serotonin => melatonin [PATH:etl00380 etl01100]
M00038 Tryptophan metabolism, tryptophan => kynurenine => 2-aminomuconate [PATH:etl00380 etl01100]

Other amino acid metabolism
M00027 GABA (gamma-Aminobutyrate) shunt [PATH:etl00250 etl00650 etl01100]
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:etl00480 etl01240 etl01100]

Glycan metabolism
Glycan biosynthesis
M00055 N-glycan precursor biosynthesis [PATH:etl00510 etl01100]
M00072 N-glycosylation by oligosaccharyltransferase [PATH:etl00510 etl00513 etl01100]
M00075 N-glycan biosynthesis, complex type [PATH:etl00510 etl01100]
M00070 Glycosphingolipid biosynthesis, lacto-series, LacCer => Lc4Cer [PATH:etl00601 etl01100]
M00071 Glycosphingolipid biosynthesis, neolacto-series, LacCer => nLc4Cer [PATH:etl00601 etl01100]
M00068 Glycosphingolipid biosynthesis, globo-series, LacCer => Gb4Cer [PATH:etl00603 etl01100]
M00069 Glycosphingolipid biosynthesis, ganglio series, LacCer => GT3 [PATH:etl00604 etl01100]

Glycosaminoglycan metabolism
M00058 Glycosaminoglycan biosynthesis, chondroitin sulfate backbone [PATH:etl00532 etl01100]
M00059 Glycosaminoglycan biosynthesis, heparan sulfate backbone [PATH:etl00534 etl01100]
M00076 Dermatan sulfate degradation [PATH:etl00531 etl01100]
M00077 Chondroitin sulfate degradation [PATH:etl00531 etl01100]
M00078 Heparan sulfate degradation [PATH:etl00531 etl01100]
M00079 Keratan sulfate degradation [PATH:etl00531 etl01100]

Lipopolysaccharide metabolism
Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00912 NAD biosynthesis, tryptophan => quinolinate => NAD [PATH:etl00380 etl00760 etl01240 etl01100]
M00120 Coenzyme A biosynthesis, pantothenate => CoA [PATH:etl00770 etl01240 etl01100]
M00882 Lipoic acid biosynthesis, eukaryotes, octanoyl-ACP => dihydrolipoyl-H [PATH:etl00785 etl01240 etl01100]
M00883 Lipoic acid biosynthesis, animals and bacteria, octanoyl-ACP => dihydrolipoyl-H => dihydrolipoyl-E2 [PATH:etl00785 etl01240 etl01100]
M00842 Tetrahydrobiopterin biosynthesis, GTP => BH4 [PATH:etl00790 etl01240 etl01100]
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor [PATH:etl00790 etl01240 etl01100]
M00141 C1-unit interconversion, eukaryotes [PATH:etl00670 etl01240 etl01100]
M00868 Heme biosynthesis, animals and fungi, glycine => heme [PATH:etl00860 etl01240 etl01100]
M00128 Ubiquinone biosynthesis, eukaryotes, 4-hydroxybenzoate + polyprenyl-PP => ubiquinol [PATH:etl00130 etl01240 etl01100]

Biosynthesis of terpenoids and polyketides
Terpenoid backbone biosynthesis
M00367 C10-C20 isoprenoid biosynthesis, non-plant eukaryotes [PATH:etl00900 etl01100]

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