KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate [PATH:eay00010 eay01200 eay01100]
M00002 Glycolysis, core module involving three-carbon compounds [PATH:eay00010 eay01200 eay01230 eay01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:eay00010 eay00020 eay01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:eay00010 eay00020 eay00620 eay01200 eay01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:eay00020 eay01200 eay01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:eay00020 eay01200 eay01210 eay01230 eay01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:eay00020 eay01200 eay01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:eay00030 eay01200 eay01100 eay01120]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:eay00030 eay01200 eay01100 eay01120]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:eay00030 eay01200 eay01230 eay01100 eay01120]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:eay00030 eay00230 eay01200 eay01230 eay01100]

Other carbohydrate metabolism
M00632 Galactose degradation, Leloir pathway, galactose => alpha-D-glucose-1P [PATH:eay00052 eay01100]
M00854 Glycogen biosynthesis, glucose-1P => glycogen/starch [PATH:eay00500 eay01100]
M00855 Glycogen degradation, glycogen => glucose-6P [PATH:eay00500 eay01100]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:eay00520 eay01100]
M00554 Nucleotide sugar biosynthesis, galactose => UDP-galactose [PATH:eay00520 eay00052 eay01100]
M00909 UDP-N-acetyl-D-glucosamine biosynthesis, prokaryotes, glucose => UDP-GlcNAc [PATH:eay00520 eay01100]
M00761 Undecaprenylphosphate alpha-L-Ara4N biosynthesis, UDP-GlcA => undecaprenyl phosphate alpha-L-Ara4N [PATH:eay00520 eay01100]

Energy metabolism
Carbon fixation
M00168 CAM (Crassulacean acid metabolism), dark [PATH:eay00620 eay01200 eay01100 eay01120]
M00579 Phosphate acetyltransferase-acetate kinase pathway, acetyl-CoA => acetate [PATH:eay00430 eay00620 eay01200 eay01100 eay01120]

Methane metabolism
Nitrogen metabolism
Sulfur metabolism
M00176 Assimilatory sulfate reduction, sulfate => H2S [PATH:eay00920 eay01100 eay01120]

Photosynthesis
ATP synthesis
M00144 NADH:quinone oxidoreductase, prokaryotes [PATH:eay00190]
M00149 Succinate dehydrogenase, prokaryotes [PATH:eay00190]
M00417 Cytochrome o ubiquinol oxidase [PATH:eay00190]
M00157 F-type ATPase, prokaryotes and chloroplasts [PATH:eay00190]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:eay00061 eay01212 eay01100]
M00083 Fatty acid biosynthesis, elongation [PATH:eay00061 eay01212 eay01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:eay00061 eay00071 eay01212 eay01100]
M00087 beta-Oxidation [PATH:eay00071 eay01212 eay01100]

Sterol biosynthesis
Lipid metabolism
M00093 Phosphatidylethanolamine (PE) biosynthesis, PA => PS => PE [PATH:eay00564 eay01100]

Nucleotide metabolism
Purine metabolism
M00048 Inosine monophosphate biosynthesis, PRPP + glutamine => IMP [PATH:eay00230 eay01100]
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:eay00230 eay01240 eay01100]
M00050 Guanine ribonucleotide biosynthesis IMP => GDP,GTP [PATH:eay00230 eay01100]

Pyrimidine metabolism
M00051 Uridine monophosphate biosynthesis, glutamine (+ PRPP) => UMP [PATH:eay00240 eay01240 eay01100]
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:eay00240 eay01240 eay01100]
M00053 Pyrimidine deoxyribonuleotide biosynthesis, CDP/CTP => dCDP/dCTP,dTDP/dTTP [PATH:eay00240 eay01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:eay00260 eay00680 eay01200 eay01230 eay01100]
M00018 Threonine biosynthesis, aspartate => homoserine => threonine [PATH:eay00260 eay01230 eay01100 eay01110]
M00555 Betaine biosynthesis, choline => betaine [PATH:eay00260 eay01100]

Cysteine and methionine metabolism
M00021 Cysteine biosynthesis, serine => cysteine [PATH:eay00270 eay00920 eay01200 eay01230 eay01100 eay01110]
M00017 Methionine biosynthesis, apartate => homoserine => methionine [PATH:eay00270 eay01230 eay01100]
M00034 Methionine salvage pathway [PATH:eay00270 eay01100]

Branched-chain amino acid metabolism
M00019 Valine/isoleucine biosynthesis, pyruvate => valine / 2-oxobutanoate => isoleucine [PATH:eay00290 eay00770 eay01210 eay01230 eay01100 eay01110]
M00570 Isoleucine biosynthesis, threonine => 2-oxobutanoate => isoleucine [PATH:eay00290 eay01230 eay01100]
M00432 Leucine biosynthesis, 2-oxoisovalerate => 2-oxoisocaproate [PATH:eay00290 eay01210 eay01230 eay01100 eay01110]

Lysine metabolism
M00016 Lysine biosynthesis, succinyl-DAP pathway, aspartate => lysine [PATH:eay00300 eay01230 eay01100]

Arginine and proline metabolism
M00028 Ornithine biosynthesis, glutamate => ornithine [PATH:eay00220 eay01210 eay01230 eay01100]
M00844 Arginine biosynthesis, ornithine => arginine [PATH:eay00220 eay01230 eay01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:eay00330 eay01230 eay01100]
M00879 Arginine succinyltransferase pathway, arginine => glutamate [PATH:eay00330 eay01100]

Polyamine biosynthesis
M00133 Polyamine biosynthesis, arginine => agmatine => putrescine => spermidine [PATH:eay00330 eay01100]

Histidine metabolism
M00026 Histidine biosynthesis, PRPP => histidine [PATH:eay00340 eay01230 eay01100 eay01110]
M00045 Histidine degradation, histidine => N-formiminoglutamate => glutamate [PATH:eay00340 eay01100]

Aromatic amino acid metabolism
M00022 Shikimate pathway, phosphoenolpyruvate + erythrose-4P => chorismate [PATH:eay00400 eay01230 eay01100 eay01110]
M00023 Tryptophan biosynthesis, chorismate => tryptophan [PATH:eay00400 eay01230 eay01100 eay01110]
M00024 Phenylalanine biosynthesis, chorismate => phenylpyruvate => phenylalanine [PATH:eay00400 eay01230 eay01100 eay01110]
M00025 Tyrosine biosynthesis, chorismate => HPP => tyrosine [PATH:eay00400 eay01230 eay01100]

Other amino acid metabolism
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:eay00480 eay01240 eay01100]

Glycan metabolism
Glycan biosynthesis
Glycosaminoglycan metabolism
Lipopolysaccharide metabolism
M00060 KDO2-lipid A biosynthesis, Raetz pathway, LpxL-LpxM type [PATH:eay00540 eay01100]
M00063 CMP-KDO biosynthesis [PATH:eay00540 eay01100]
M00064 ADP-L-glycero-D-manno-heptose biosynthesis [PATH:eay00540 eay01100]

Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00899 Thiamine salvage pathway, HMP/HET => TMP [PATH:eay00730 eay01100]
M00125 Riboflavin biosynthesis, plants and bacteria, GTP => riboflavin/FMN/FAD [PATH:eay00740 eay01240 eay01100 eay01110]
M00124 Pyridoxal-P biosynthesis, erythrose-4P => pyridoxal-P [PATH:eay00750 eay01240 eay01100]
M00119 Pantothenate biosynthesis, valine/L-aspartate => pantothenate [PATH:eay00770 eay01240 eay01100 eay01110]
M00120 Coenzyme A biosynthesis, pantothenate => CoA [PATH:eay00770 eay01240 eay01100]
M00123 Biotin biosynthesis, pimeloyl-ACP/CoA => biotin [PATH:eay00780 eay01240 eay01100]
M00881 Lipoic acid biosynthesis, plants and bacteria, octanoyl-ACP => dihydrolipoyl-E2/H [PATH:eay00785 eay01240 eay01100]
M00126 Tetrahydrofolate biosynthesis, GTP => THF [PATH:eay00790 eay00670 eay01240 eay01100]
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor [PATH:eay00790 eay01240 eay01100]
M00846 Siroheme biosynthesis, glutamyl-tRNA => siroheme [PATH:eay00860 eay01240 eay01100 eay01110]
M00121 Heme biosynthesis, plants and bacteria, glutamate => heme [PATH:eay00860 eay01240 eay01100 eay01110]
M00117 Ubiquinone biosynthesis, prokaryotes, chorismate (+ polyprenyl-PP) => ubiquinol [PATH:eay00130 eay01240 eay01100 eay01110]

Biosynthesis of terpenoids and polyketides
Terpenoid backbone biosynthesis
M00096 C5 isoprenoid biosynthesis, non-mevalonate pathway [PATH:eay00900 eay01100 eay01110]
M00364 C10-C20 isoprenoid biosynthesis, bacteria [PATH:eay00900 eay01100 eay01110]

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
M00877 Kanosamine biosynthesis glucose 6-phosphate => kanosamine [PATH:eay00998 eay01100 eay01110]

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