KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00002 Glycolysis, core module involving three-carbon compounds [PATH:oan00010 oan01200 oan01230 oan01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:oan00010 oan00020 oan01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:oan00010 oan00020 oan00620 oan00785 oan01200 oan01210 oan01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:oan00020 oan01200 oan01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:oan00020 oan01200 oan01210 oan01230 oan01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:oan00020 oan01200 oan01210 oan01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:oan00030 oan01200 oan01100 oan01120]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:oan00030 oan01200 oan01100 oan01120]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:oan00030 oan01200 oan01230 oan01100 oan01120]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:oan00030 oan00230 oan01200 oan01230 oan01100]
M00008 Entner-Doudoroff pathway, glucose-6P => glyceraldehyde-3P + pyruvate [PATH:oan00030 oan01200 oan01100 oan01120]

Other carbohydrate metabolism
M00552 D-galactonate degradation, De Ley-Doudoroff pathway, D-galactonate => glycerate-3P [PATH:oan00052 oan01100]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:oan00520 oan01250 oan01100]
M00909 UDP-N-acetyl-D-glucosamine biosynthesis, prokaryotes, glucose => UDP-GlcNAc [PATH:oan00520 oan01250 oan01100]
M00793 dTDP-L-rhamnose biosynthesis, glucose-1P => dTDP-L-Rha [PATH:oan00521 oan00523 oan00541 oan01250 oan01100 oan01110]
M00012 Glyoxylate cycle [PATH:oan00630 oan01200 oan01100 oan01110]
M00741 Propanoyl-CoA metabolism, propanoyl-CoA => succinyl-CoA [PATH:oan00280 oan00630 oan00640 oan01200 oan01100]

Energy metabolism
Carbon fixation
M00169 CAM (Crassulacean acid metabolism), light [PATH:oan00620 oan00710 oan01200 oan01100 oan01120]
M00579 Phosphate acetyltransferase-acetate kinase pathway, acetyl-CoA => acetate [PATH:oan00430 oan00620 oan00720 oan01200 oan01100 oan01120]

Methane metabolism
Nitrogen metabolism
M00529 Denitrification, nitrate => nitrogen [PATH:oan00910 oan01310 oan01100 oan01120]

Sulfur metabolism
Photosynthesis
ATP synthesis
M00144 NADH:quinone oxidoreductase, prokaryotes [PATH:oan00190 oan01100]
M00149 Succinate dehydrogenase, prokaryotes [PATH:oan00190 oan01100]
M00151 Cytochrome bc1 complex respiratory unit [PATH:oan00190 oan01100]
M00155 Cytochrome c oxidase, prokaryotes [PATH:oan00190 oan01100]
M00153 Cytochrome bd ubiquinol oxidase [PATH:oan00190]
M00417 Cytochrome o ubiquinol oxidase [PATH:oan00190 oan01100]
M00156 Cytochrome c oxidase, cbb3-type [PATH:oan00190 oan01100]
M00157 F-type ATPase, prokaryotes and chloroplasts [PATH:oan00190 oan01100]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:oan00061 oan01212 oan01100]
M00083 Fatty acid biosynthesis, elongation [PATH:oan00061 oan01212 oan01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:oan00061 oan00071 oan01212 oan01100]

Sterol biosynthesis
Lipid metabolism
M00091 Phosphatidylcholine (PC) biosynthesis, PE => PC [PATH:oan00564 oan01100]
M00093 Phosphatidylethanolamine (PE) biosynthesis, PA => PS => PE [PATH:oan00564 oan01100]

Nucleotide metabolism
Purine metabolism
M00048 De novo purine biosynthesis, PRPP + glutamine => IMP [PATH:oan00230 oan01100]
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:oan00230 oan01232 oan01240 oan01100]
M00050 Guanine ribonucleotide biosynthesis, IMP => GDP,GTP [PATH:oan00230 oan01232 oan01100]
M00053 Deoxyribonucleotide biosynthesis, ADP/GDP/CDP/UDP => dATP/dGTP/dCTP/dUTP [PATH:oan00230 oan00240 oan01232 oan01100]
M00958 Adenine ribonucleotide degradation, AMP => Urate [PATH:oan00230 oan01232 oan01100]
M00959 Guanine ribonucleotide degradation, GMP => Urate [PATH:oan00230 oan01232 oan01100]

Pyrimidine metabolism
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:oan00240 oan01232 oan01240 oan01100]
M00938 Pyrimidine deoxyribonucleotide biosynthesis, UDP => dTTP [PATH:oan00240 oan01232 oan01100]
M00046 Pyrimidine degradation, uracil => beta-alanine, thymine => 3-aminoisobutanoate [PATH:oan00240 oan00410 oan00770 oan01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:oan00260 oan00680 oan01200 oan01230 oan01100]
M00018 Threonine biosynthesis, aspartate => homoserine => threonine [PATH:oan00260 oan01230 oan01100 oan01110]
M00621 Glycine cleavage system [PATH:oan00260 oan00630 oan00670 oan00785 oan01200 oan01100]
M00555 Betaine biosynthesis, choline => betaine [PATH:oan00260 oan00670 oan01100]
M00919 Ectoine degradation, ectoine => aspartate [PATH:oan00260 oan01100 oan01120]

Cysteine and methionine metabolism
M00021 Cysteine biosynthesis, serine => cysteine [PATH:oan00270 oan00920 oan01200 oan01230 oan01100 oan01110]

Branched-chain amino acid metabolism
M00019 Valine/isoleucine biosynthesis, pyruvate => valine / 2-oxobutanoate => isoleucine [PATH:oan00290 oan00770 oan01210 oan01230 oan01100 oan01110]
M00570 Isoleucine biosynthesis, threonine => 2-oxobutanoate => isoleucine [PATH:oan00290 oan01230 oan01100]
M00432 Leucine biosynthesis, 2-oxoisovalerate => 2-oxoisocaproate [PATH:oan00290 oan01210 oan01230 oan01100 oan01110]
M00036 Leucine degradation, leucine => acetoacetate + acetyl-CoA [PATH:oan00280 oan01100]

Lysine metabolism
M00016 Lysine biosynthesis, succinyl-DAP pathway, aspartate => lysine [PATH:oan00300 oan01230 oan01100]

Arginine and proline metabolism
M00028 Ornithine biosynthesis, glutamate => ornithine [PATH:oan00220 oan01210 oan01230 oan01100]
M00844 Arginine biosynthesis, ornithine => arginine [PATH:oan00220 oan01230 oan01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:oan00330 oan01230 oan01100]
M00970 Proline degradation, proline => glutamate [PATH:oan00330 oan01100]

Polyamine biosynthesis
M00134 Polyamine biosynthesis, arginine => ornithine => putrescine [PATH:oan00330 oan01100]

Histidine metabolism
M00026 Histidine biosynthesis, PRPP => histidine [PATH:oan00340 oan01230 oan01100 oan01110]
M00045 Histidine degradation, histidine => N-formiminoglutamate => glutamate [PATH:oan00340 oan01100]

Aromatic amino acid metabolism
M00022 Shikimate pathway, phosphoenolpyruvate + erythrose-4P => chorismate [PATH:oan00400 oan01230 oan01100 oan01110]
M00023 Tryptophan biosynthesis, chorismate => tryptophan [PATH:oan00400 oan01230 oan01100 oan01110]

Other amino acid metabolism
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:oan00480 oan01240 oan01100]

Glycan metabolism
Glycan biosynthesis
Glycosaminoglycan metabolism
Lipopolysaccharide metabolism
Other polysaccharide metabolism
Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00115 NAD biosynthesis, aspartate => quinolinate => NAD [PATH:oan00760 oan01240 oan01100]
M00120 Coenzyme A biosynthesis, pantothenate => CoA [PATH:oan00770 oan01240 oan01100]
M00123 Biotin biosynthesis, pimeloyl-ACP/CoA => biotin [PATH:oan00780 oan01240 oan01100]
M00881 Lipoic acid biosynthesis, plants and bacteria, octanoyl-ACP => dihydrolipoyl-E2/H [PATH:oan00785 oan01240 oan01100]
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor [PATH:oan00790 oan01240 oan01100]
M00988 PreQ1 biosynthesis, GTP => 7-Aminomethyl-7-deazaguanine [PATH:oan00790 oan01100]

Biosynthesis of terpenoids and polyketides
Terpenoid backbone biosynthesis
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
M00918 Aerobactin biosynthesis, lysine => aerobactin [PATH:oan00997 oan01100 oan01110]

Xenobiotics biodegradation
Aromatics degradation

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