KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate [PATH:srs00010 srs01200 srs01100]
M00002 Glycolysis, core module involving three-carbon compounds [PATH:srs00010 srs01200 srs01230 srs01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:srs00010 srs00020 srs01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:srs00010 srs00020 srs00620 srs01200 srs01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:srs00020 srs01200 srs01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:srs00020 srs01200 srs01210 srs01230 srs01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:srs00020 srs01200 srs01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:srs00030 srs01200 srs01100 srs01120]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:srs00030 srs01200 srs01100 srs01120]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:srs00030 srs01200 srs01230 srs01100 srs01120]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:srs00030 srs00230 srs01200 srs01230 srs01100]
M00008 Entner-Doudoroff pathway, glucose-6P => glyceraldehyde-3P + pyruvate [PATH:srs00030 srs01200 srs01100 srs01120]

Other carbohydrate metabolism
M00061 D-Glucuronate degradation, D-glucuronate => pyruvate + D-glyceraldehyde 3P [PATH:srs00040 srs00030 srs01100]
M00632 Galactose degradation, Leloir pathway, galactose => alpha-D-glucose-1P [PATH:srs00052 srs01100]
M00854 Glycogen biosynthesis, glucose-1P => glycogen/starch [PATH:srs00500 srs01100]
M00855 Glycogen degradation, glycogen => glucose-6P [PATH:srs00500 srs01100]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:srs00520 srs01100]
M00554 Nucleotide sugar biosynthesis, galactose => UDP-galactose [PATH:srs00520 srs00052 srs01100]
M00761 Undecaprenylphosphate alpha-L-Ara4N biosynthesis, UDP-GlcA => undecaprenyl phosphate alpha-L-Ara4N [PATH:srs00520 srs01100]
M00012 Glyoxylate cycle [PATH:srs00630 srs01200 srs01100 srs01110]

Energy metabolism
Carbon fixation
M00168 CAM (Crassulacean acid metabolism), dark [PATH:srs00620 srs01200 srs01100 srs01120]
M00579 Phosphate acetyltransferase-acetate kinase pathway, acetyl-CoA => acetate [PATH:srs00430 srs00620 srs01200 srs01100 srs01120]

Methane metabolism
Nitrogen metabolism
M00530 Dissimilatory nitrate reduction, nitrate => ammonia [PATH:srs00910 srs01100 srs01120]

Sulfur metabolism
M00176 Assimilatory sulfate reduction, sulfate => H2S [PATH:srs00920 srs01100 srs01120]

Photosynthesis
ATP synthesis
M00144 NADH:quinone oxidoreductase, prokaryotes [PATH:srs00190]
M00149 Succinate dehydrogenase, prokaryotes [PATH:srs00190]
M00150 Fumarate reductase, prokaryotes [PATH:srs00190]
M00153 Cytochrome bd ubiquinol oxidase [PATH:srs00190]
M00417 Cytochrome o ubiquinol oxidase [PATH:srs00190]
M00157 F-type ATPase, prokaryotes and chloroplasts [PATH:srs00190]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:srs00061 srs01212 srs01100]
M00083 Fatty acid biosynthesis, elongation [PATH:srs00061 srs01212 srs01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:srs00061 srs00071 srs01212 srs01100]
M00087 beta-Oxidation [PATH:srs00071 srs01212 srs01100]

Sterol biosynthesis
Lipid metabolism
M00093 Phosphatidylethanolamine (PE) biosynthesis, PA => PS => PE [PATH:srs00564 srs01100]

Nucleotide metabolism
Purine metabolism
M00048 Inosine monophosphate biosynthesis, PRPP + glutamine => IMP [PATH:srs00230 srs01100]
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:srs00230 srs01100]
M00050 Guanine ribonucleotide biosynthesis IMP => GDP,GTP [PATH:srs00230 srs01100]

Pyrimidine metabolism
M00051 Uridine monophosphate biosynthesis, glutamine (+ PRPP) => UMP [PATH:srs00240 srs01100]
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:srs00240 srs01100]
M00053 Pyrimidine deoxyribonuleotide biosynthesis, CDP/CTP => dCDP/dCTP,dTDP/dTTP [PATH:srs00240 srs01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:srs00260 srs00680 srs01200 srs01230 srs01100]
M00018 Threonine biosynthesis, aspartate => homoserine => threonine [PATH:srs00260 srs01230 srs01100 srs01110]
M00555 Betaine biosynthesis, choline => betaine [PATH:srs00260 srs01100]

Cysteine and methionine metabolism
M00021 Cysteine biosynthesis, serine => cysteine [PATH:srs00270 srs00920 srs01200 srs01230 srs01100 srs01110]
M00338 Cysteine biosynthesis, homocysteine + serine => cysteine [PATH:srs00260 srs00270 srs01230 srs01100]
M00017 Methionine biosynthesis, apartate => homoserine => methionine [PATH:srs00270 srs01230 srs01100]
M00034 Methionine salvage pathway [PATH:srs00270 srs01100]
M00035 Methionine degradation [PATH:srs00270 srs01100]

Branched-chain amino acid metabolism
M00019 Valine/isoleucine biosynthesis, pyruvate => valine / 2-oxobutanoate => isoleucine [PATH:srs00290 srs00770 srs01210 srs01230 srs01100 srs01110]
M00570 Isoleucine biosynthesis, threonine => 2-oxobutanoate => isoleucine [PATH:srs00290 srs01230 srs01100]
M00432 Leucine biosynthesis, 2-oxoisovalerate => 2-oxoisocaproate [PATH:srs00290 srs01210 srs01230 srs01100 srs01110]

Lysine metabolism
M00016 Lysine biosynthesis, succinyl-DAP pathway, aspartate => lysine [PATH:srs00300 srs01230 srs01100]

Arginine and proline metabolism
M00028 Ornithine biosynthesis, glutamate => ornithine [PATH:srs00220 srs01210 srs01230 srs01100]
M00844 Arginine biosynthesis, ornithine => arginine [PATH:srs00220 srs01230 srs01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:srs00330 srs01230 srs01100]
M00879 Arginine succinyltransferase pathway, arginine => glutamate [PATH:srs00330]

Polyamine biosynthesis
M00133 Polyamine biosynthesis, arginine => agmatine => putrescine => spermidine [PATH:srs00330 srs01100]
M00134 Polyamine biosynthesis, arginine => ornithine => putrescine [PATH:srs00330 srs01100]
M00136 GABA biosynthesis, prokaryotes, putrescine => GABA [PATH:srs00330 srs01100]

Histidine metabolism
M00026 Histidine biosynthesis, PRPP => histidine [PATH:srs00340 srs01230 srs01100 srs01110]
M00045 Histidine degradation, histidine => N-formiminoglutamate => glutamate [PATH:srs00340 srs01100]

Aromatic amino acid metabolism
M00022 Shikimate pathway, phosphoenolpyruvate + erythrose-4P => chorismate [PATH:srs00400 srs01230 srs01100 srs01110]
M00023 Tryptophan biosynthesis, chorismate => tryptophan [PATH:srs00400 srs01230 srs01100 srs01110]
M00024 Phenylalanine biosynthesis, chorismate => phenylalanine [PATH:srs00400 srs01230 srs01100 srs01110]
M00025 Tyrosine biosynthesis, chorismate => tyrosine [PATH:srs00400 srs01230 srs01100]

Other amino acid metabolism
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:srs00480 srs01100]

Glycan metabolism
Glycan biosynthesis
Glycosaminoglycan metabolism
Lipopolysaccharide metabolism
M00060 KDO2-lipid A biosynthesis, Raetz pathway, LpxL-LpxM type [PATH:srs00540 srs01100]
M00063 CMP-KDO biosynthesis [PATH:srs00540 srs01100]
M00064 ADP-L-glycero-D-manno-heptose biosynthesis [PATH:srs00540 srs01100]

Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00127 Thiamine biosynthesis, AIR => thiamine-P/thiamine-2P [PATH:srs00730 srs01100]
M00125 Riboflavin biosynthesis, GTP => riboflavin/FMN/FAD [PATH:srs00740 srs01100 srs01110]
M00124 Pyridoxal biosynthesis, erythrose-4P => pyridoxal-5P [PATH:srs00750 srs01100]
M00115 NAD biosynthesis, aspartate => NAD [PATH:srs00760 srs01100]
M00622 Nicotinate degradation, nicotinate => fumarate [PATH:srs00760 srs01100 srs01120]
M00119 Pantothenate biosynthesis, valine/L-aspartate => pantothenate [PATH:srs00770 srs01100 srs01110]
M00120 Coenzyme A biosynthesis, pantothenate => CoA [PATH:srs00770 srs01100]
M00123 Biotin biosynthesis, pimeloyl-ACP/CoA => biotin [PATH:srs00780 srs01100]
M00126 Tetrahydrofolate biosynthesis, GTP => THF [PATH:srs00790 srs00670 srs01100]
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor [PATH:srs00790]
M00121 Heme biosynthesis, plants and bacteria, glutamate => heme [PATH:srs00860 srs01100 srs01110]
M00846 Siroheme biosynthesis, glutamate => siroheme [PATH:srs00860 srs01100 srs01110]
M00117 Ubiquinone biosynthesis, prokaryotes, chorismate => ubiquinone [PATH:srs00130 srs01100 srs01110]
M00116 Menaquinone biosynthesis, chorismate => menaquinol [PATH:srs00130 srs01100 srs01110]

Biosynthesis of terpenoids and polyketides
Terpenoid backbone biosynthesis
M00096 C5 isoprenoid biosynthesis, non-mevalonate pathway [PATH:srs00900 srs01100 srs01110]
M00364 C10-C20 isoprenoid biosynthesis, bacteria [PATH:srs00900 srs01100 srs01110]

Other terpenoid biosynthesis
Macrolide biosynthesis
Enediyne biosynthesis
Type II polyketide biosynthesis
Polyketide sugar unit biosynthesis
M00793 dTDP-L-rhamnose biosynthesis [PATH:srs00521 srs00523 srs01100]

Biosynthesis of other secondary metabolites
beta-Lactam biosynthesis
Biosynthesis of other secondary metabolites
M00790 Pyrrolnitrin biosynthesis, tryptophan => pyrrolnitrin [PATH:srs00404 srs01100]
M00837 Prodigiosin biosynthesis, L-proline => prodigiosin [PATH:srs00333 srs01100]

Xenobiotics biodegradation
Aromatics degradation

Gene set
Pathogenicity
Drug resistance
Plant pathogenicity
Symbiosis
Module set
Metabolic capacity
M00616 Sulfate-sulfur assimilation