KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate [PATH:ecog00010 ecog01200 ecog01100]
M00002 Glycolysis, core module involving three-carbon compounds [PATH:ecog00010 ecog01200 ecog01230 ecog01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:ecog00010 ecog00020 ecog01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:ecog00010 ecog00020 ecog00620 ecog00785 ecog01200 ecog01210 ecog01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:ecog00020 ecog01200 ecog01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:ecog00020 ecog01200 ecog01210 ecog01230 ecog01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:ecog00020 ecog01200 ecog01210 ecog01100]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:ecog00030 ecog01200 ecog01230 ecog01100 ecog01120]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:ecog00030 ecog00230 ecog01200 ecog01230 ecog01100]
M00008 Entner-Doudoroff pathway, glucose-6P => glyceraldehyde-3P + pyruvate [PATH:ecog00030 ecog01200 ecog01100 ecog01120]

Other carbohydrate metabolism
M00741 Propanoyl-CoA metabolism, propanoyl-CoA => succinyl-CoA [PATH:ecog00280 ecog00630 ecog00640 ecog01200 ecog01100]

Energy metabolism
Carbon fixation
M00168 CAM (Crassulacean acid metabolism), dark [PATH:ecog00620 ecog00710 ecog01200 ecog01100 ecog01120]
M00169 CAM (Crassulacean acid metabolism), light [PATH:ecog00620 ecog00710 ecog01200 ecog01100 ecog01120]

Methane metabolism
Nitrogen metabolism
M00531 Assimilatory nitrate reduction, nitrate => ammonia [PATH:ecog00910 ecog01310 ecog01100 ecog01120]
M00529 Denitrification, nitrate => nitrogen [PATH:ecog00910 ecog01310 ecog01100 ecog01120]

Sulfur metabolism
Photosynthesis
ATP synthesis
M00144 NADH:quinone oxidoreductase, prokaryotes [PATH:ecog00190 ecog01100]
M00149 Succinate dehydrogenase, prokaryotes [PATH:ecog00190 ecog01100]
M00155 Cytochrome c oxidase, prokaryotes [PATH:ecog00190 ecog01100]
M00156 Cytochrome c oxidase, cbb3-type [PATH:ecog00190 ecog01100]
M00157 F-type ATPase, prokaryotes and chloroplasts [PATH:ecog00190 ecog01100]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:ecog00061 ecog01212 ecog01100]
M00083 Fatty acid biosynthesis, elongation [PATH:ecog00061 ecog01212 ecog01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:ecog00061 ecog00071 ecog01212 ecog01100]
M00087 beta-Oxidation [PATH:ecog00071 ecog01212 ecog01100]

Sterol biosynthesis
Lipid metabolism
M00093 Phosphatidylethanolamine (PE) biosynthesis, PA => PS => PE [PATH:ecog00564 ecog01100]

Nucleotide metabolism
Purine metabolism
M00048 De novo purine biosynthesis, PRPP + glutamine => IMP [PATH:ecog00230 ecog01100]
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:ecog00230 ecog01232 ecog01240 ecog01100]
M00050 Guanine ribonucleotide biosynthesis, IMP => GDP,GTP [PATH:ecog00230 ecog01232 ecog01100]
M00053 Deoxyribonucleotide biosynthesis, ADP/GDP/CDP/UDP => dATP/dGTP/dCTP/dUTP [PATH:ecog00230 ecog00240 ecog01232 ecog01100]
M00958 Adenine ribonucleotide degradation, AMP => Urate [PATH:ecog00230 ecog01232 ecog01100]
M00959 Guanine ribonucleotide degradation, GMP => Urate [PATH:ecog00230 ecog01232 ecog01100]

Pyrimidine metabolism
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:ecog00240 ecog01232 ecog01240 ecog01100]
M00938 Pyrimidine deoxyribonucleotide biosynthesis, UDP => dTTP [PATH:ecog00240 ecog01232 ecog01100]
M00046 Pyrimidine degradation, uracil => beta-alanine, thymine => 3-aminoisobutanoate [PATH:ecog00240 ecog00410 ecog00770 ecog01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:ecog00260 ecog00680 ecog01200 ecog01230 ecog01100]
M00018 Threonine biosynthesis, aspartate => homoserine => threonine [PATH:ecog00260 ecog01230 ecog01100 ecog01110]
M00621 Glycine cleavage system [PATH:ecog00260 ecog00630 ecog00670 ecog00785 ecog01200 ecog01100]
M00033 Ectoine biosynthesis, aspartate => ectoine [PATH:ecog00260 ecog01210 ecog01230 ecog01100 ecog01120]

Cysteine and methionine metabolism
M00021 Cysteine biosynthesis, serine => cysteine [PATH:ecog00270 ecog00920 ecog01320 ecog01200 ecog01230 ecog01100 ecog01110]

Branched-chain amino acid metabolism
M00019 Valine/isoleucine biosynthesis, pyruvate => valine / 2-oxobutanoate => isoleucine [PATH:ecog00290 ecog00770 ecog01210 ecog01230 ecog01100 ecog01110]
M00570 Isoleucine biosynthesis, threonine => 2-oxobutanoate => isoleucine [PATH:ecog00290 ecog01230 ecog01100]
M00432 Leucine biosynthesis, 2-oxoisovalerate => 2-oxoisocaproate [PATH:ecog00290 ecog01210 ecog01230 ecog01100 ecog01110]
M00036 Leucine degradation, leucine => acetoacetate + acetyl-CoA [PATH:ecog00280 ecog01100]

Lysine metabolism
M00016 Lysine biosynthesis, succinyl-DAP pathway, aspartate => lysine [PATH:ecog00300 ecog01230 ecog01100]

Arginine and proline metabolism
M00028 Ornithine biosynthesis, glutamate => ornithine [PATH:ecog00220 ecog01210 ecog01230 ecog01100]
M00844 Arginine biosynthesis, ornithine => arginine [PATH:ecog00220 ecog01230 ecog01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:ecog00330 ecog01230 ecog01100]
M00970 Proline degradation, proline => glutamate [PATH:ecog00330 ecog01100]

Polyamine biosynthesis
M00134 Polyamine biosynthesis, arginine => ornithine => putrescine [PATH:ecog00330 ecog01100]

Histidine metabolism
M00045 Histidine degradation, histidine => N-formiminoglutamate => glutamate [PATH:ecog00340 ecog01100]

Aromatic amino acid metabolism
M00022 Shikimate pathway, phosphoenolpyruvate + erythrose-4P => chorismate [PATH:ecog00400 ecog01230 ecog01100 ecog01110]
M00023 Tryptophan biosynthesis, chorismate => tryptophan [PATH:ecog00400 ecog01230 ecog01100 ecog01110]

Other amino acid metabolism
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:ecog00480 ecog01240 ecog01100]

Glycan metabolism
Nucleotide sugar biosynthesis
M00909 UDP-GlcNAc biosynthesis, prokaryotes, Fru-6P => UDP-GlcNAc [PATH:ecog00520 ecog01250 ecog01100]
M00995 UDP-MurNAc biosynthesis, Fru-6P => UDP-MurNAc [PATH:ecog00520 ecog01250 ecog01100]
M01000 GDP-Man biosynthesis, Fru-6P => GDP-Man [PATH:ecog00520 ecog01250 ecog01100]

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:ecog00760 ecog01240 ecog01100]
M00120 Coenzyme A biosynthesis, pantothenate => CoA [PATH:ecog00770 ecog01240 ecog01100]
M00123 Biotin biosynthesis, pimeloyl-ACP/CoA => biotin [PATH:ecog00780 ecog01240 ecog01100]
M00881 Lipoic acid biosynthesis, plants and bacteria, octanoyl-ACP => dihydrolipoyl-E2/H [PATH:ecog00785 ecog01240 ecog01100]
M00126 Tetrahydrofolate biosynthesis, GTP => THF [PATH:ecog00790 ecog00670 ecog01240 ecog01100]
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor [PATH:ecog00790 ecog01240 ecog01100]
M00988 PreQ1 biosynthesis, GTP => 7-Aminomethyl-7-deazaguanine [PATH:ecog00790 ecog01100]
M00140 C1-unit interconversion, prokaryotes [PATH:ecog00670 ecog01240 ecog01100]
M00122 Cobalamin biosynthesis, cobyrinate a,c-diamide => cobalamin [PATH:ecog00860 ecog01240 ecog01100]

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
Xenobiotics biodegradation
Aromatics degradation

Gene set
Pathogenicity
Drug resistance
Plant pathogenicity
Symbiosis
Module set
Metabolic capacity
M00615 Nitrate assimilation