KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate [PATH:xne00010 xne01200 xne01100]
M00002 Glycolysis, core module involving three-carbon compounds [PATH:xne00010 xne01200 xne01230 xne01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:xne00010 xne00020 xne01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:xne00010 xne00020 xne00620 xne01200 xne01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:xne00020 xne01200 xne01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:xne00020 xne01200 xne01210 xne01230 xne01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:xne00020 xne01200 xne01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:xne00030 xne01200 xne01100 xne01120]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:xne00030 xne01200 xne01100 xne01120]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:xne00030 xne01200 xne01230 xne01100 xne01120]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:xne00030 xne00230 xne01200 xne01230 xne01100]

Other carbohydrate metabolism
M00855 Glycogen degradation, glycogen => glucose-6P [PATH:xne00500 xne01100]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:xne00520 xne01250 xne01100]
M00909 UDP-N-acetyl-D-glucosamine biosynthesis, prokaryotes, glucose => UDP-GlcNAc [PATH:xne00520 xne01250 xne01100]
M00761 Undecaprenylphosphate alpha-L-Ara4N biosynthesis, UDP-GlcA => undecaprenyl phosphate alpha-L-Ara4N [PATH:xne00520 xne01100]
M00012 Glyoxylate cycle [PATH:xne00630 xne01200 xne01100 xne01110]

Energy metabolism
Carbon fixation
M00168 CAM (Crassulacean acid metabolism), dark [PATH:xne00620 xne01200 xne01100 xne01120]
M00579 Phosphate acetyltransferase-acetate kinase pathway, acetyl-CoA => acetate [PATH:xne00430 xne00620 xne01200 xne01100 xne01120]

Methane metabolism
Nitrogen metabolism
Sulfur metabolism
M00176 Assimilatory sulfate reduction, sulfate => H2S [PATH:xne00920 xne01100 xne01120]

Photosynthesis
ATP synthesis
M00144 NADH:quinone oxidoreductase, prokaryotes [PATH:xne00190]
M00149 Succinate dehydrogenase, prokaryotes [PATH:xne00190]
M00150 Fumarate reductase, prokaryotes [PATH:xne00190]
M00153 Cytochrome bd ubiquinol oxidase [PATH:xne00190]
M00417 Cytochrome o ubiquinol oxidase [PATH:xne00190]
M00157 F-type ATPase, prokaryotes and chloroplasts [PATH:xne00190]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:xne00061 xne01212 xne01100]
M00083 Fatty acid biosynthesis, elongation [PATH:xne00061 xne01212 xne01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:xne00061 xne00071 xne01212 xne01100]
M00087 beta-Oxidation [PATH:xne00071 xne01212 xne01100]

Sterol biosynthesis
Lipid metabolism
M00093 Phosphatidylethanolamine (PE) biosynthesis, PA => PS => PE [PATH:xne00564 xne01100]

Nucleotide metabolism
Purine metabolism
M00048 De novo purine biosynthesis, PRPP + glutamine => IMP [PATH:xne00230 xne01100]
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:xne00230 xne01232 xne01240 xne01100]
M00050 Guanine ribonucleotide biosynthesis, IMP => GDP,GTP [PATH:xne00230 xne01232 xne01100]
M00053 Deoxyribonucleotide biosynthesis, ADP/GDP/CDP/UDP => dATP/dGTP/dCTP/dUTP [PATH:xne00230 xne00240 xne01232 xne01100]

Pyrimidine metabolism
M00051 De novo pyrimidine biosynthesis, glutamine (+ PRPP) => UMP [PATH:xne00240 xne01240 xne01100]
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:xne00240 xne01232 xne01240 xne01100]
M00938 Pyrimidine deoxyribonucleotide biosynthesis, UDP => dTTP [PATH:xne00240 xne01232 xne01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:xne00260 xne00680 xne01200 xne01230 xne01100]
M00018 Threonine biosynthesis, aspartate => homoserine => threonine [PATH:xne00260 xne01230 xne01100 xne01110]
M00555 Betaine biosynthesis, choline => betaine [PATH:xne00260 xne01100]

Cysteine and methionine metabolism
M00021 Cysteine biosynthesis, serine => cysteine [PATH:xne00270 xne00920 xne01200 xne01230 xne01100 xne01110]
M00017 Methionine biosynthesis, aspartate => homoserine => methionine [PATH:xne00270 xne01230 xne01100]

Branched-chain amino acid metabolism
M00019 Valine/isoleucine biosynthesis, pyruvate => valine / 2-oxobutanoate => isoleucine [PATH:xne00290 xne00770 xne01210 xne01230 xne01100 xne01110]
M00570 Isoleucine biosynthesis, threonine => 2-oxobutanoate => isoleucine [PATH:xne00290 xne01230 xne01100]
M00432 Leucine biosynthesis, 2-oxoisovalerate => 2-oxoisocaproate [PATH:xne00290 xne01210 xne01230 xne01100 xne01110]

Lysine metabolism
M00016 Lysine biosynthesis, succinyl-DAP pathway, aspartate => lysine [PATH:xne00300 xne01230 xne01100]

Arginine and proline metabolism
M00028 Ornithine biosynthesis, glutamate => ornithine [PATH:xne00220 xne01210 xne01230 xne01100]
M00844 Arginine biosynthesis, ornithine => arginine [PATH:xne00220 xne01230 xne01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:xne00330 xne01230 xne01100]

Polyamine biosynthesis
Histidine metabolism
M00026 Histidine biosynthesis, PRPP => histidine [PATH:xne00340 xne01230 xne01100 xne01110]
M00045 Histidine degradation, histidine => N-formiminoglutamate => glutamate [PATH:xne00340 xne01100]

Aromatic amino acid metabolism
M00022 Shikimate pathway, phosphoenolpyruvate + erythrose-4P => chorismate [PATH:xne00400 xne01230 xne01100 xne01110]
M00023 Tryptophan biosynthesis, chorismate => tryptophan [PATH:xne00400 xne01230 xne01100 xne01110]
M00024 Phenylalanine biosynthesis, chorismate => phenylpyruvate => phenylalanine [PATH:xne00400 xne01230 xne01100 xne01110]
M00025 Tyrosine biosynthesis, chorismate => HPP => tyrosine [PATH:xne00400 xne01230 xne01100]
M00533 Homoprotocatechuate degradation, homoprotocatechuate => 2-oxohept-3-enedioate [PATH:xne00350 xne01220 xne01100 xne01120]

Other amino acid metabolism
M00027 GABA (gamma-Aminobutyrate) shunt [PATH:xne00250 xne00650 xne01100]
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:xne00480 xne01240 xne01100]

Glycan metabolism
Glycan biosynthesis
Glycosaminoglycan metabolism
Lipopolysaccharide metabolism
M00060 KDO2-lipid A biosynthesis, Raetz pathway, LpxL-LpxM type [PATH:xne00540 xne01100]
M00063 CMP-KDO biosynthesis [PATH:xne00540 xne01250 xne01100]
M00064 ADP-L-glycero-D-manno-heptose biosynthesis [PATH:xne00540 xne01250 xne01100]

Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00127 Thiamine biosynthesis, prokaryotes, AIR (+ DXP/tyrosine) => TMP/TPP [PATH:xne00730 xne01240 xne01100]
M00125 Riboflavin biosynthesis, plants and bacteria, GTP => riboflavin/FMN/FAD [PATH:xne00740 xne01240 xne01100 xne01110]
M00124 Pyridoxal-P biosynthesis, erythrose-4P => pyridoxal-P [PATH:xne00750 xne01240 xne01100]
M00120 Coenzyme A biosynthesis, pantothenate => CoA [PATH:xne00770 xne01240 xne01100]
M00572 Pimeloyl-ACP biosynthesis, BioC-BioH pathway, malonyl-ACP => pimeloyl-ACP [PATH:xne00780 xne01240 xne01100]
M00123 Biotin biosynthesis, pimeloyl-ACP/CoA => biotin [PATH:xne00780 xne01240 xne01100]
M00881 Lipoic acid biosynthesis, plants and bacteria, octanoyl-ACP => dihydrolipoyl-E2/H [PATH:xne00785 xne01240 xne01100]
M00126 Tetrahydrofolate biosynthesis, GTP => THF [PATH:xne00790 xne00670 xne01240 xne01100]
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor [PATH:xne00790 xne01240 xne01100]
M00846 Siroheme biosynthesis, glutamyl-tRNA => siroheme [PATH:xne00860 xne01240 xne01100 xne01110]
M00121 Heme biosynthesis, plants and bacteria, glutamate => heme [PATH:xne00860 xne01240 xne01100 xne01110]
M00924 Cobalamin biosynthesis, anaerobic, uroporphyrinogen III => sirohydrochlorin => cobyrinate a,c-diamide [PATH:xne00860 xne01240 xne01100]
M00122 Cobalamin biosynthesis, cobyrinate a,c-diamide => cobalamin [PATH:xne00860 xne01240 xne01100]
M00117 Ubiquinone biosynthesis, prokaryotes, chorismate (+ polyprenyl-PP) => ubiquinol [PATH:xne00130 xne01240 xne01100 xne01110]
M00116 Menaquinone biosynthesis, chorismate (+ polyprenyl-PP) => menaquinol [PATH:xne00130 xne01240 xne01100 xne01110]

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
M00878 Phenylacetate degradation, phenylaxetate => acetyl-CoA/succinyl-CoA [PATH:xne00360 xne01100 xne01120]

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