KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate [PATH:psm00010 psm01200 psm01100]
M00002 Glycolysis, core module involving three-carbon compounds [PATH:psm00010 psm01200 psm01230 psm01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:psm00010 psm00020 psm01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:psm00010 psm00020 psm00620 psm01200 psm01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:psm00020 psm01200 psm01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:psm00020 psm01200 psm01210 psm01230 psm01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:psm00020 psm01200 psm01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:psm00030 psm01200 psm01100 psm01120]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:psm00030 psm01200 psm01100 psm01120]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:psm00030 psm01200 psm01230 psm01100 psm01120]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:psm00030 psm00230 psm01200 psm01230 psm01100]
M00008 Entner-Doudoroff pathway, glucose-6P => glyceraldehyde-3P + pyruvate [PATH:psm00030 psm01200 psm01100 psm01120]

Other carbohydrate metabolism
M00854 Glycogen biosynthesis, glucose-1P => glycogen/starch [PATH:psm00500 psm01100]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:psm00520 psm01100]
M00909 UDP-N-acetyl-D-glucosamine biosynthesis, prokaryotes, glucose => UDP-GlcNAc [PATH:psm00520 psm01100]
M00012 Glyoxylate cycle [PATH:psm00630 psm01200 psm01100 psm01110]

Energy metabolism
Carbon fixation
M00168 CAM (Crassulacean acid metabolism), dark [PATH:psm00620 psm01200 psm01100 psm01120]
M00579 Phosphate acetyltransferase-acetate kinase pathway, acetyl-CoA => acetate [PATH:psm00430 psm00620 psm01200 psm01100 psm01120]

Methane metabolism
Nitrogen metabolism
Sulfur metabolism
M00176 Assimilatory sulfate reduction, sulfate => H2S [PATH:psm00920 psm01100 psm01120]

Photosynthesis
ATP synthesis
M00149 Succinate dehydrogenase, prokaryotes [PATH:psm00190]
M00151 Cytochrome bc1 complex respiratory unit [PATH:psm00190]
M00155 Cytochrome c oxidase, prokaryotes [PATH:psm00190]
M00153 Cytochrome bd ubiquinol oxidase [PATH:psm00190]
M00417 Cytochrome o ubiquinol oxidase [PATH:psm00190]
M00156 Cytochrome c oxidase, cbb3-type [PATH:psm00190]
M00157 F-type ATPase, prokaryotes and chloroplasts [PATH:psm00190]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:psm00061 psm01212 psm01100]
M00083 Fatty acid biosynthesis, elongation [PATH:psm00061 psm01212 psm01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:psm00061 psm00071 psm01212 psm01100]
M00087 beta-Oxidation [PATH:psm00071 psm01212 psm01100]

Sterol biosynthesis
Lipid metabolism
M00093 Phosphatidylethanolamine (PE) biosynthesis, PA => PS => PE [PATH:psm00564 psm01100]

Nucleotide metabolism
Purine metabolism
M00048 Inosine monophosphate biosynthesis, PRPP + glutamine => IMP [PATH:psm00230 psm01100]
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:psm00230 psm01240 psm01100]
M00050 Guanine ribonucleotide biosynthesis, IMP => GDP,GTP [PATH:psm00230 psm01100]

Pyrimidine metabolism
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:psm00240 psm01240 psm01100]
M00053 Pyrimidine deoxyribonuleotide biosynthesis, CDP => dCTP [PATH:psm00240]
M00938 Pyrimidine deoxyribonuleotide biosynthesis, UDP => dTTP [PATH:psm00240]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:psm00260 psm00680 psm01200 psm01230 psm01100]
M00018 Threonine biosynthesis, aspartate => homoserine => threonine [PATH:psm00260 psm01230 psm01100 psm01110]
M00555 Betaine biosynthesis, choline => betaine [PATH:psm00260 psm01100]

Cysteine and methionine metabolism
M00021 Cysteine biosynthesis, serine => cysteine [PATH:psm00270 psm00920 psm01200 psm01230 psm01100 psm01110]
M00017 Methionine biosynthesis, apartate => homoserine => methionine [PATH:psm00270 psm01230 psm01100]

Branched-chain amino acid metabolism
M00019 Valine/isoleucine biosynthesis, pyruvate => valine / 2-oxobutanoate => isoleucine [PATH:psm00290 psm00770 psm01210 psm01230 psm01100 psm01110]
M00570 Isoleucine biosynthesis, threonine => 2-oxobutanoate => isoleucine [PATH:psm00290 psm01230 psm01100]
M00432 Leucine biosynthesis, 2-oxoisovalerate => 2-oxoisocaproate [PATH:psm00290 psm01210 psm01230 psm01100 psm01110]
M00036 Leucine degradation, leucine => acetoacetate + acetyl-CoA [PATH:psm00280 psm01100]

Lysine metabolism
M00016 Lysine biosynthesis, succinyl-DAP pathway, aspartate => lysine [PATH:psm00300 psm01230 psm01100]

Arginine and proline metabolism
M00028 Ornithine biosynthesis, glutamate => ornithine [PATH:psm00220 psm01210 psm01230 psm01100]
M00844 Arginine biosynthesis, ornithine => arginine [PATH:psm00220 psm01230 psm01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:psm00330 psm01230 psm01100]

Polyamine biosynthesis
M00133 Polyamine biosynthesis, arginine => agmatine => putrescine => spermidine [PATH:psm00330 psm01100]

Histidine metabolism
M00026 Histidine biosynthesis, PRPP => histidine [PATH:psm00340 psm01230 psm01100 psm01110]
M00045 Histidine degradation, histidine => N-formiminoglutamate => glutamate [PATH:psm00340 psm01100]

Aromatic amino acid metabolism
M00022 Shikimate pathway, phosphoenolpyruvate + erythrose-4P => chorismate [PATH:psm00400 psm01230 psm01100 psm01110]
M00023 Tryptophan biosynthesis, chorismate => tryptophan [PATH:psm00400 psm01230 psm01100 psm01110]

Other amino acid metabolism
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:psm00480 psm01240 psm01100]

Glycan metabolism
Glycan biosynthesis
Glycosaminoglycan metabolism
Lipopolysaccharide metabolism
M00063 CMP-KDO biosynthesis [PATH:psm00540 psm01100]

Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00125 Riboflavin biosynthesis, plants and bacteria, GTP => riboflavin/FMN/FAD [PATH:psm00740 psm01240 psm01100 psm01110]
M00124 Pyridoxal-P biosynthesis, erythrose-4P => pyridoxal-P [PATH:psm00750 psm01240 psm01100]
M00115 NAD biosynthesis, aspartate => quinolinate => NAD [PATH:psm00760 psm01240 psm01100]
M00120 Coenzyme A biosynthesis, pantothenate => CoA [PATH:psm00770 psm01240 psm01100]
M00123 Biotin biosynthesis, pimeloyl-ACP/CoA => biotin [PATH:psm00780 psm01240 psm01100]
M00881 Lipoic acid biosynthesis, plants and bacteria, octanoyl-ACP => dihydrolipoyl-E2/H [PATH:psm00785 psm01240 psm01100]
M00126 Tetrahydrofolate biosynthesis, GTP => THF [PATH:psm00790 psm00670 psm01240 psm01100]
M00846 Siroheme biosynthesis, glutamyl-tRNA => siroheme [PATH:psm00860 psm01240 psm01100 psm01110]
M00121 Heme biosynthesis, plants and bacteria, glutamate => heme [PATH:psm00860 psm01240 psm01100 psm01110]
M00117 Ubiquinone biosynthesis, prokaryotes, chorismate (+ polyprenyl-PP) => ubiquinol [PATH:psm00130 psm01240 psm01100 psm01110]

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