KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate [PATH:gtr00010 gtr01200 gtr01100]
M00002 Glycolysis, core module involving three-carbon compounds [PATH:gtr00010 gtr01200 gtr01230 gtr01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:gtr00010 gtr00020 gtr01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:gtr00010 gtr00020 gtr00620 gtr01200 gtr01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:gtr00020 gtr01200 gtr01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:gtr00020 gtr01200 gtr01210 gtr01230 gtr01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:gtr00020 gtr01200 gtr01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:gtr00030 gtr01200 gtr01100]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:gtr00030 gtr01200 gtr01100]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:gtr00030 gtr01200 gtr01230 gtr01100]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:gtr00030 gtr00230 gtr01200 gtr01230 gtr01100]

Other carbohydrate metabolism
M00632 Galactose degradation, Leloir pathway, galactose => alpha-D-glucose-1P [PATH:gtr00052 gtr01100]
M00854 Glycogen biosynthesis, glucose-1P => glycogen/starch [PATH:gtr00500 gtr01100]
M00855 Glycogen degradation, glycogen => glucose-6P [PATH:gtr00500 gtr01100]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:gtr00520 gtr01250 gtr01100]
M00554 Nucleotide sugar biosynthesis, galactose => UDP-galactose [PATH:gtr00520 gtr00052 gtr01250 gtr01100]
M00892 UDP-N-acetyl-D-glucosamine biosynthesis, eukaryotes, glucose => UDP-GlcNAc [PATH:gtr00520 gtr01250 gtr01100]
M00012 Glyoxylate cycle [PATH:gtr00630 gtr01200 gtr01100 gtr01110]

Energy metabolism
Carbon fixation
Methane metabolism
Nitrogen metabolism
M00531 Assimilatory nitrate reduction, nitrate => ammonia [PATH:gtr00910 gtr01100]

Sulfur metabolism
M00176 Assimilatory sulfate reduction, sulfate => H2S [PATH:gtr00920 gtr01100]

Photosynthesis
ATP synthesis
M00143 NADH dehydrogenase (ubiquinone) Fe-S protein/flavoprotein complex, mitochondria [PATH:gtr00190]
M00148 Succinate dehydrogenase (ubiquinone) [PATH:gtr00190]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:gtr00061 gtr01212 gtr01100]
M00083 Fatty acid biosynthesis, elongation [PATH:gtr00061 gtr01212 gtr01100]
M00415 Fatty acid elongation in endoplasmic reticulum [PATH:gtr00062 gtr01040 gtr01212 gtr01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:gtr00061 gtr00071 gtr01212 gtr01100]

Sterol biosynthesis
M00102 Ergocalciferol biosynthesis, squalene 2,3-epoxide => ergosterol/ergocalciferol [PATH:gtr00100 gtr01100 gtr01110]

Lipid metabolism
M00098 Acylglycerol degradation [PATH:gtr00561 gtr01100]
M00091 Phosphatidylcholine (PC) biosynthesis, PE => PC [PATH:gtr00564 gtr01100]
M00093 Phosphatidylethanolamine (PE) biosynthesis, PA => PS => PE [PATH:gtr00564 gtr01100]
M00094 Ceramide biosynthesis [PATH:gtr00600 gtr01100]
M00099 Sphingosine biosynthesis [PATH:gtr00600 gtr01100]
M00100 Sphingosine degradation [PATH:gtr00600 gtr01100]

Nucleotide metabolism
Purine metabolism
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:gtr00230 gtr01232 gtr01240 gtr01100]
M00050 Guanine ribonucleotide biosynthesis, IMP => GDP,GTP [PATH:gtr00230 gtr01232 gtr01100]
M00053 Deoxyribonucleotide biosynthesis, ADP/GDP/CDP/UDP => dATP/dGTP/dCTP/dUTP [PATH:gtr00230 gtr00240 gtr01232 gtr01100]

Pyrimidine metabolism
M00051 De novo pyrimidine biosynthesis, glutamine (+ PRPP) => UMP [PATH:gtr00240 gtr01240 gtr01100]
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:gtr00240 gtr01232 gtr01240 gtr01100]
M00938 Pyrimidine deoxyribonucleotide biosynthesis, UDP => dTTP [PATH:gtr00240 gtr01232 gtr01100]

Amino acid metabolism
Serine and threonine metabolism
M00018 Threonine biosynthesis, aspartate => homoserine => threonine [PATH:gtr00260 gtr01230 gtr01100 gtr01110]
M00621 Glycine cleavage system [PATH:gtr00260 gtr00630 gtr01200 gtr01100]

Cysteine and methionine metabolism
M00338 Cysteine biosynthesis, homocysteine + serine => cysteine [PATH:gtr00260 gtr00270 gtr01230 gtr01100]
M00035 Methionine degradation [PATH:gtr00270 gtr01100]

Branched-chain amino acid metabolism
M00019 Valine/isoleucine biosynthesis, pyruvate => valine / 2-oxobutanoate => isoleucine [PATH:gtr00290 gtr00770 gtr01210 gtr01230 gtr01100 gtr01110]
M00570 Isoleucine biosynthesis, threonine => 2-oxobutanoate => isoleucine [PATH:gtr00290 gtr01230 gtr01100]
M00432 Leucine biosynthesis, 2-oxoisovalerate => 2-oxoisocaproate [PATH:gtr00290 gtr01210 gtr01230 gtr01100 gtr01110]
M00036 Leucine degradation, leucine => acetoacetate + acetyl-CoA [PATH:gtr00280 gtr01100]

Lysine metabolism
M00030 Lysine biosynthesis, AAA pathway, 2-oxoglutarate => 2-aminoadipate => lysine [PATH:gtr00300 gtr01230 gtr01100]
M00433 Lysine biosynthesis, 2-oxoglutarate => 2-oxoadipate [PATH:gtr00300 gtr01210 gtr01230 gtr01100]

Arginine and proline metabolism
M00844 Arginine biosynthesis, ornithine => arginine [PATH:gtr00220 gtr01230 gtr01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:gtr00330 gtr01230 gtr01100]
M00970 Proline degradation, proline => glutamate [PATH:gtr00330 gtr01100]
M00972 Proline metabolism [PATH:gtr00330]

Polyamine biosynthesis
M00134 Polyamine biosynthesis, arginine => ornithine => putrescine [PATH:gtr00330 gtr01100]

Histidine metabolism
M00026 Histidine biosynthesis, PRPP => histidine [PATH:gtr00340 gtr01230 gtr01100 gtr01110]

Aromatic amino acid metabolism
M00022 Shikimate pathway, phosphoenolpyruvate + erythrose-4P => chorismate [PATH:gtr00400 gtr01230 gtr01100 gtr01110]
M00023 Tryptophan biosynthesis, chorismate => tryptophan [PATH:gtr00400 gtr01230 gtr01100 gtr01110]
M00025 Tyrosine biosynthesis, chorismate => HPP => tyrosine [PATH:gtr00400 gtr01230 gtr01100]

Other amino acid metabolism
M00027 GABA (gamma-Aminobutyrate) shunt [PATH:gtr00250 gtr00650 gtr01100]

Glycan metabolism
Glycan biosynthesis
M00055 N-glycan precursor biosynthesis [PATH:gtr00510 gtr01100]
M00072 N-glycosylation by oligosaccharyltransferase [PATH:gtr00510 gtr00513 gtr01100]
M00073 N-glycan precursor trimming [PATH:gtr00510 gtr01100]

Glycosaminoglycan metabolism
Lipopolysaccharide metabolism
Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00898 Thiamine biosynthesis, pyridoxal-5P => TMP/thiamine/TPP [PATH:gtr00730 gtr01240 gtr01100]
M00916 Pyridoxal-P biosynthesis, R5P + glyceraldehyde-3P + glutamine => pyridoxal-P [PATH:gtr00750 gtr01240 gtr01100]
M00123 Biotin biosynthesis, pimeloyl-ACP/CoA => biotin [PATH:gtr00780 gtr01240 gtr01100]
M00882 Lipoic acid biosynthesis, eukaryotes, octanoyl-ACP => dihydrolipoyl-H [PATH:gtr00785 gtr01240 gtr01100]
M00126 Tetrahydrofolate biosynthesis, GTP => THF [PATH:gtr00790 gtr00670 gtr01240 gtr01100]
M00141 C1-unit interconversion, eukaryotes [PATH:gtr00670 gtr01240 gtr01100]
M00868 Heme biosynthesis, animals and fungi, glycine => heme [PATH:gtr00860 gtr01240 gtr01100 gtr01110]
M00128 Ubiquinone biosynthesis, eukaryotes, 4-hydroxybenzoate + polyprenyl-PP => ubiquinol [PATH:gtr00130 gtr01240 gtr01100]

Biosynthesis of terpenoids and polyketides
Terpenoid backbone biosynthesis
M00367 C10-C20 isoprenoid biosynthesis, non-plant eukaryotes [PATH:gtr00900 gtr01100 gtr01110]

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
M00615 Nitrate assimilation