KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00002 Glycolysis, core module involving three-carbon compounds [PATH:eah00010 eah01200 eah01230 eah01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:eah00010 eah00020 eah00620 eah01200 eah01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:eah00020 eah01200 eah01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:eah00020 eah01200 eah01210 eah01230 eah01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:eah00020 eah01200 eah01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:eah00030 eah01200 eah01100 eah01120]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:eah00030 eah01200 eah01100 eah01120]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:eah00030 eah01200 eah01230 eah01100 eah01120]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:eah00030 eah00230 eah01200 eah01230 eah01100]
M00008 Entner-Doudoroff pathway, glucose-6P => glyceraldehyde-3P + pyruvate [PATH:eah00030 eah01200 eah01100 eah01120]

Other carbohydrate metabolism
M00552 D-galactonate degradation, De Ley-Doudoroff pathway, D-galactonate => glycerate-3P [PATH:eah00052 eah01100]
M00854 Glycogen biosynthesis, glucose-1P => glycogen/starch [PATH:eah00500 eah01100]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:eah00520 eah01100]
M00909 UDP-N-acetyl-D-glucosamine biosynthesis, prokaryotes, glucose => UDP-GlcNAc [PATH:eah00520 eah01100]
M00012 Glyoxylate cycle [PATH:eah00630 eah01200 eah01100 eah01110]
M00741 Propanoyl-CoA metabolism, propanoyl-CoA => succinyl-CoA [PATH:eah00280 eah00630 eah00640 eah01200 eah01100]

Energy metabolism
Carbon fixation
M00169 CAM (Crassulacean acid metabolism), light [PATH:eah00620 eah01200 eah01100 eah01120]
M00579 Phosphate acetyltransferase-acetate kinase pathway, acetyl-CoA => acetate [PATH:eah00430 eah00620 eah01200 eah01100 eah01120]

Methane metabolism
Nitrogen metabolism
M00530 Dissimilatory nitrate reduction, nitrate => ammonia [PATH:eah00910 eah01100 eah01120]
M00529 Denitrification, nitrate => nitrogen [PATH:eah00910 eah01100 eah01120]

Sulfur metabolism
Photosynthesis
ATP synthesis
M00144 NADH:quinone oxidoreductase, prokaryotes [PATH:eah00190]
M00149 Succinate dehydrogenase, prokaryotes [PATH:eah00190]
M00151 Cytochrome bc1 complex respiratory unit [PATH:eah00190]
M00155 Cytochrome c oxidase, prokaryotes [PATH:eah00190]
M00417 Cytochrome o ubiquinol oxidase [PATH:eah00190]
M00156 Cytochrome c oxidase, cbb3-type [PATH:eah00190]
M00157 F-type ATPase, prokaryotes and chloroplasts [PATH:eah00190]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:eah00061 eah01212 eah01100]
M00083 Fatty acid biosynthesis, elongation [PATH:eah00061 eah01212 eah01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:eah00061 eah00071 eah01212 eah01100]
M00087 beta-Oxidation [PATH:eah00071 eah01212 eah01100]

Sterol biosynthesis
Lipid metabolism
M00091 Phosphatidylcholine (PC) biosynthesis, PE => PC [PATH:eah00564 eah01100]
M00093 Phosphatidylethanolamine (PE) biosynthesis, PA => PS => PE [PATH:eah00564 eah01100]

Nucleotide metabolism
Purine metabolism
M00048 Inosine monophosphate biosynthesis, PRPP + glutamine => IMP [PATH:eah00230 eah01100]
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:eah00230 eah01240 eah01100]
M00050 Guanine ribonucleotide biosynthesis, IMP => GDP,GTP [PATH:eah00230 eah01100]

Pyrimidine metabolism
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:eah00240 eah01240 eah01100]
M00053 Pyrimidine deoxyribonuleotide biosynthesis, CDP => dCTP [PATH:eah00240]
M00938 Pyrimidine deoxyribonuleotide biosynthesis, UDP => dTTP [PATH:eah00240]
M00046 Pyrimidine degradation, uracil => beta-alanine, thymine => 3-aminoisobutanoate [PATH:eah00240 eah01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:eah00260 eah00680 eah01200 eah01230 eah01100]
M00018 Threonine biosynthesis, aspartate => homoserine => threonine [PATH:eah00260 eah01230 eah01100 eah01110]
M00555 Betaine biosynthesis, choline => betaine [PATH:eah00260 eah01100]
M00919 Ectoine degradation, ectoine => aspartate [PATH:eah00260 eah01100 eah01120]

Cysteine and methionine metabolism
M00021 Cysteine biosynthesis, serine => cysteine [PATH:eah00270 eah00920 eah01200 eah01230 eah01100 eah01110]

Branched-chain amino acid metabolism
M00019 Valine/isoleucine biosynthesis, pyruvate => valine / 2-oxobutanoate => isoleucine [PATH:eah00290 eah00770 eah01210 eah01230 eah01100 eah01110]
M00570 Isoleucine biosynthesis, threonine => 2-oxobutanoate => isoleucine [PATH:eah00290 eah01230 eah01100]
M00432 Leucine biosynthesis, 2-oxoisovalerate => 2-oxoisocaproate [PATH:eah00290 eah01210 eah01230 eah01100 eah01110]
M00036 Leucine degradation, leucine => acetoacetate + acetyl-CoA [PATH:eah00280 eah01100]

Lysine metabolism
M00016 Lysine biosynthesis, succinyl-DAP pathway, aspartate => lysine [PATH:eah00300 eah01230 eah01100]

Arginine and proline metabolism
M00028 Ornithine biosynthesis, glutamate => ornithine [PATH:eah00220 eah01210 eah01230 eah01100]
M00844 Arginine biosynthesis, ornithine => arginine [PATH:eah00220 eah01230 eah01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:eah00330 eah01230 eah01100]

Polyamine biosynthesis
M00134 Polyamine biosynthesis, arginine => ornithine => putrescine [PATH:eah00330 eah01100]

Histidine metabolism
M00026 Histidine biosynthesis, PRPP => histidine [PATH:eah00340 eah01230 eah01100 eah01110]
M00045 Histidine degradation, histidine => N-formiminoglutamate => glutamate [PATH:eah00340 eah01100]

Aromatic amino acid metabolism
M00022 Shikimate pathway, phosphoenolpyruvate + erythrose-4P => chorismate [PATH:eah00400 eah01230 eah01100 eah01110]
M00023 Tryptophan biosynthesis, chorismate => tryptophan [PATH:eah00400 eah01230 eah01100 eah01110]
M00024 Phenylalanine biosynthesis, chorismate => phenylpyruvate => phenylalanine [PATH:eah00400 eah01230 eah01100 eah01110]
M00040 Tyrosine biosynthesis, chorismate => arogenate => tyrosine [PATH:eah00400 eah01230 eah01100 eah01110]
M00044 Tyrosine degradation, tyrosine => homogentisate [PATH:eah00350 eah01100]

Other amino acid metabolism
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:eah00480 eah01240 eah01100]

Glycan metabolism
Glycan biosynthesis
Glycosaminoglycan metabolism
Lipopolysaccharide metabolism
Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00115 NAD biosynthesis, aspartate => quinolinate => NAD [PATH:eah00760 eah01240 eah01100]
M00120 Coenzyme A biosynthesis, pantothenate => CoA [PATH:eah00770 eah01240 eah01100]
M00123 Biotin biosynthesis, pimeloyl-ACP/CoA => biotin [PATH:eah00780 eah01240 eah01100]
M00881 Lipoic acid biosynthesis, plants and bacteria, octanoyl-ACP => dihydrolipoyl-E2/H [PATH:eah00785 eah01240 eah01100]
M00126 Tetrahydrofolate biosynthesis, GTP => THF [PATH:eah00790 eah00670 eah01240 eah01100]
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor [PATH:eah00790 eah01240 eah01100]
M00140 C1-unit interconversion, prokaryotes [PATH:eah00670 eah01240 eah01100]
M00925 Cobalamin biosynthesis, aerobic, uroporphyrinogen III => precorrin 2 => cobyrinate a,c-diamide [PATH:eah00860 eah01240 eah01100]

Biosynthesis of terpenoids and polyketides
Terpenoid backbone biosynthesis
Plant terpenoid biosynthesis
Macrolide biosynthesis
Enediyne biosynthesis
Type II polyketide biosynthesis
Polyketide sugar unit biosynthesis
M00793 dTDP-L-rhamnose biosynthesis [PATH:eah00521 eah00523 eah00541 eah01100 eah01110]

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
M00551 Benzoate degradation, benzoate => catechol / methylbenzoate => methylcatechol [PATH:eah00362 eah00622 eah01220 eah01100 eah01120]
M00568 Catechol ortho-cleavage, catechol => 3-oxoadipate [PATH:eah00362 eah01220 eah01100 eah01120]

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