KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate [PATH:erw00010 erw01200 erw01100]
M00002 Glycolysis, core module involving three-carbon compounds [PATH:erw00010 erw01200 erw01230 erw01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:erw00010 erw00020 erw01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:erw00010 erw00020 erw00620 erw01200 erw01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:erw00020 erw01200 erw01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:erw00020 erw01200 erw01210 erw01230 erw01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:erw00020 erw01200 erw01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:erw00030 erw01200 erw01100 erw01120]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:erw00030 erw01200 erw01100 erw01120]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:erw00030 erw01200 erw01230 erw01100 erw01120]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:erw00030 erw00230 erw01200 erw01230 erw01100]

Other carbohydrate metabolism
M00631 D-Galacturonate degradation (bacteria), D-galacturonate => pyruvate + D-glyceraldehyde 3P [PATH:erw00030 erw01100]
M00061 D-Glucuronate degradation, D-glucuronate => pyruvate + D-glyceraldehyde 3P [PATH:erw00030 erw01100]
M00632 Galactose degradation, Leloir pathway, galactose => alpha-D-glucose-1P [PATH:erw01100]
M00854 Glycogen biosynthesis, glucose-1P => glycogen/starch [PATH:erw01100]
M00855 Glycogen degradation, glycogen => glucose-6P [PATH:erw01100]
M00565 Trehalose biosynthesis, D-glucose 1P => trehalose [PATH:erw01100 erw01110]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:erw01100]
M00554 Nucleotide sugar biosynthesis, galactose => UDP-galactose [PATH:erw01100]
M00909 UDP-N-acetyl-D-glucosamine biosynthesis, prokaryotes, glucose => UDP-GlcNAc [PATH:erw01100]
M00761 Undecaprenylphosphate alpha-L-Ara4N biosynthesis, UDP-GlcA => undecaprenyl phosphate alpha-L-Ara4N [PATH:erw01100]
M00012 Glyoxylate cycle [PATH:erw00630 erw01200 erw01100 erw01110]

Energy metabolism
Carbon fixation
M00168 CAM (Crassulacean acid metabolism), dark [PATH:erw00620 erw01200 erw01100 erw01120]
M00169 CAM (Crassulacean acid metabolism), light [PATH:erw00620 erw01200 erw01100 erw01120]
M00579 Phosphate acetyltransferase-acetate kinase pathway, acetyl-CoA => acetate [PATH:erw00620 erw01200 erw01100 erw01120]

Methane metabolism
Nitrogen metabolism
Sulfur metabolism
M00176 Assimilatory sulfate reduction, sulfate => H2S [PATH:erw01100 erw01120]

Photosynthesis
ATP synthesis
M00144 NADH:quinone oxidoreductase, prokaryotes [PATH:erw00190]
M00149 Succinate dehydrogenase, prokaryotes [PATH:erw00190]
M00150 Fumarate reductase, prokaryotes [PATH:erw00190]
M00151 Cytochrome bc1 complex respiratory unit [PATH:erw00190]
M00155 Cytochrome c oxidase, prokaryotes [PATH:erw00190]
M00153 Cytochrome bd ubiquinol oxidase [PATH:erw00190]
M00417 Cytochrome o ubiquinol oxidase [PATH:erw00190]
M00157 F-type ATPase, prokaryotes and chloroplasts [PATH:erw00190]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:erw00061 erw01212 erw01100]
M00083 Fatty acid biosynthesis, elongation [PATH:erw00061 erw01212 erw01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:erw00061 erw00071 erw01212 erw01100]
M00087 beta-Oxidation [PATH:erw00071 erw01212 erw01100]

Sterol biosynthesis
Lipid metabolism
M00093 Phosphatidylethanolamine (PE) biosynthesis, PA => PS => PE [PATH:erw00564 erw01100]

Nucleotide metabolism
Purine metabolism
M00048 Inosine monophosphate biosynthesis, PRPP + glutamine => IMP [PATH:erw00230 erw01100]
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:erw00230 erw01240 erw01100]
M00050 Guanine ribonucleotide biosynthesis IMP => GDP,GTP [PATH:erw00230 erw01100]

Pyrimidine metabolism
M00051 Uridine monophosphate biosynthesis, glutamine (+ PRPP) => UMP [PATH:erw00240 erw01240 erw01100]
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:erw00240 erw01240 erw01100]
M00053 Pyrimidine deoxyribonuleotide biosynthesis, CDP/CTP => dCDP/dCTP,dTDP/dTTP [PATH:erw00240 erw01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:erw00260 erw00680 erw01200 erw01230 erw01100]
M00018 Threonine biosynthesis, aspartate => homoserine => threonine [PATH:erw00260 erw01230 erw01100 erw01110]
M00555 Betaine biosynthesis, choline => betaine [PATH:erw00260 erw01100]

Cysteine and methionine metabolism
M00021 Cysteine biosynthesis, serine => cysteine [PATH:erw00270 erw01200 erw01230 erw01100 erw01110]
M00017 Methionine biosynthesis, apartate => homoserine => methionine [PATH:erw00270 erw01230 erw01100]
M00034 Methionine salvage pathway [PATH:erw00270 erw01100]

Branched-chain amino acid metabolism
M00019 Valine/isoleucine biosynthesis, pyruvate => valine / 2-oxobutanoate => isoleucine [PATH:erw00770 erw01210 erw01230 erw01100 erw01110]
M00570 Isoleucine biosynthesis, threonine => 2-oxobutanoate => isoleucine [PATH:erw01230 erw01100]
M00432 Leucine biosynthesis, 2-oxoisovalerate => 2-oxoisocaproate [PATH:erw01210 erw01230 erw01100 erw01110]

Lysine metabolism
M00016 Lysine biosynthesis, succinyl-DAP pathway, aspartate => lysine [PATH:erw00300 erw01230 erw01100]

Arginine and proline metabolism
M00028 Ornithine biosynthesis, glutamate => ornithine [PATH:erw00220 erw01210 erw01230 erw01100]
M00844 Arginine biosynthesis, ornithine => arginine [PATH:erw00220 erw01230 erw01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:erw00330 erw01230 erw01100]
M00879 Arginine succinyltransferase pathway, arginine => glutamate [PATH:erw00330 erw01100]

Polyamine biosynthesis
M00133 Polyamine biosynthesis, arginine => agmatine => putrescine => spermidine [PATH:erw00330 erw01100]
M00134 Polyamine biosynthesis, arginine => ornithine => putrescine [PATH:erw00330 erw01100]

Histidine metabolism
M00026 Histidine biosynthesis, PRPP => histidine [PATH:erw01230 erw01100 erw01110]
M00045 Histidine degradation, histidine => N-formiminoglutamate => glutamate [PATH:erw01100]

Aromatic amino acid metabolism
M00022 Shikimate pathway, phosphoenolpyruvate + erythrose-4P => chorismate [PATH:erw00400 erw01230 erw01100 erw01110]
M00023 Tryptophan biosynthesis, chorismate => tryptophan [PATH:erw00400 erw01230 erw01100 erw01110]
M00024 Phenylalanine biosynthesis, chorismate => phenylpyruvate => phenylalanine [PATH:erw00400 erw01230 erw01100 erw01110]
M00025 Tyrosine biosynthesis, chorismate => HPP => tyrosine [PATH:erw00400 erw01230 erw01100]

Other amino acid metabolism
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:erw00480 erw01240 erw01100]

Glycan metabolism
Glycan biosynthesis
Glycosaminoglycan metabolism
Lipopolysaccharide metabolism
M00060 KDO2-lipid A biosynthesis, Raetz pathway, LpxL-LpxM type [PATH:erw01100]
M00063 CMP-KDO biosynthesis [PATH:erw01100]
M00064 ADP-L-glycero-D-manno-heptose biosynthesis [PATH:erw01100]

Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00899 Thiamine salvage pathway, HMP/HET => TMP [PATH:erw00730 erw01100]
M00125 Riboflavin biosynthesis, plants and bacteria, GTP => riboflavin/FMN/FAD [PATH:erw00740 erw01240 erw01100 erw01110]
M00124 Pyridoxal-P biosynthesis, erythrose-4P => pyridoxal-P [PATH:erw00750 erw01240 erw01100]
M00115 NAD biosynthesis, aspartate => quinolinate => NAD [PATH:erw00760 erw01240 erw01100]
M00119 Pantothenate biosynthesis, valine/L-aspartate => pantothenate [PATH:erw00770 erw01240 erw01100 erw01110]
M00120 Coenzyme A biosynthesis, pantothenate => CoA [PATH:erw00770 erw01240 erw01100]
M00123 Biotin biosynthesis, pimeloyl-ACP/CoA => biotin [PATH:erw00780 erw01240 erw01100]
M00881 Lipoic acid biosynthesis, plants and bacteria, octanoyl-ACP => dihydrolipoyl-E2/H [PATH:erw00785 erw01240 erw01100]
M00126 Tetrahydrofolate biosynthesis, GTP => THF [PATH:erw00790 erw00670 erw01240 erw01100]
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor [PATH:erw00790 erw01240 erw01100]
M00846 Siroheme biosynthesis, glutamyl-tRNA => siroheme [PATH:erw00860 erw01240 erw01100 erw01110]
M00121 Heme biosynthesis, plants and bacteria, glutamate => heme [PATH:erw00860 erw01240 erw01100 erw01110]
M00117 Ubiquinone biosynthesis, prokaryotes, chorismate (+ polyprenyl-PP) => ubiquinol [PATH:erw00130 erw01240 erw01100 erw01110]
M00116 Menaquinone biosynthesis, chorismate (+ polyprenyl-PP) => menaquinol [PATH:erw00130 erw01240 erw01100 erw01110]

Biosynthesis of terpenoids and polyketides
Terpenoid backbone biosynthesis
M00096 C5 isoprenoid biosynthesis, non-mevalonate pathway [PATH:erw00900 erw01100 erw01110]
M00364 C10-C20 isoprenoid biosynthesis, bacteria [PATH:erw00900 erw01100 erw01110]

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
M00616 Sulfate-sulfur assimilation