KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate [PATH:mch00010 mch01200 mch01100]
M00002 Glycolysis, core module involving three-carbon compounds [PATH:mch00010 mch01200 mch01230 mch01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:mch00010 mch00020 mch01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:mch00010 mch00020 mch00620 mch00785 mch01200 mch01210 mch01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:mch00020 mch01200 mch01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:mch00020 mch01200 mch01210 mch01230 mch01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:mch00020 mch01200 mch01210 mch01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:mch00030 mch01200 mch01100 mch01120]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:mch00030 mch01200 mch01100 mch01120]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:mch00030 mch01200 mch01230 mch01100 mch01120]
M00580 Pentose phosphate pathway, archaea, fructose 6P => ribose 5P [PATH:mch00030 mch01200 mch01230 mch01100 mch01120]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:mch00030 mch00230 mch01200 mch01230 mch01100]
M00008 Entner-Doudoroff pathway, glucose-6P => glyceraldehyde-3P + pyruvate [PATH:mch00030 mch01200 mch01100 mch01120]

Other carbohydrate metabolism
M00061 D-Glucuronate degradation, D-glucuronate => pyruvate + D-glyceraldehyde 3P [PATH:mch00040 mch00030 mch01100]
M00081 Pectin degradation [PATH:mch00040 mch01100]
M00632 Galactose degradation, Leloir pathway, galactose => alpha-D-glucose-1P [PATH:mch00052 mch01100]
M00114 Ascorbate biosynthesis, plants, fructose-6P => ascorbate [PATH:mch00051 mch00053 mch01240 mch01100 mch01110]
M00854 Glycogen biosynthesis, glucose-1P => glycogen/starch [PATH:mch00500 mch01100]
M00855 Glycogen degradation, glycogen => glucose-6P [PATH:mch00500 mch01100]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:mch00520 mch01250 mch01100]
M00554 Nucleotide sugar biosynthesis, galactose => UDP-galactose [PATH:mch00520 mch00052 mch01250 mch01100]
M00892 UDP-N-acetyl-D-glucosamine biosynthesis, eukaryotes, glucose => UDP-GlcNAc [PATH:mch00520 mch01250 mch01100]
M00909 UDP-N-acetyl-D-glucosamine biosynthesis, prokaryotes, glucose => UDP-GlcNAc [PATH:mch00520 mch01250 mch01100]
M00012 Glyoxylate cycle [PATH:mch00630 mch01200 mch01100 mch01110]
M00532 Photorespiration [PATH:mch00630 mch01200 mch01100 mch01110]
M00741 Propanoyl-CoA metabolism, propanoyl-CoA => succinyl-CoA [PATH:mch00280 mch00630 mch00640 mch01200 mch01100]
M00968 Pentose bisphosphate pathway (nucleoside degradation), archaea, nucleoside/NMP => 3-PGA/glycerone phosphate [PATH:mch00030 mch00230 mch00240 mch00630 mch01100]
M00132 Inositol phosphate metabolism, Ins(1,3,4)P3 => phytate [PATH:mch00562 mch01100]

Energy metabolism
Carbon fixation
M00165 Reductive pentose phosphate cycle (Calvin cycle) [PATH:mch01200 mch01100 mch01120]
M00168 CAM (Crassulacean acid metabolism), dark [PATH:mch00620 mch01200 mch01100 mch01120]
M00169 CAM (Crassulacean acid metabolism), light [PATH:mch00620 mch01200 mch01100 mch01120]
M00172 C4-dicarboxylic acid cycle, NADP - malic enzyme type [PATH:mch00620 mch01200 mch01100 mch01120]
M00171 C4-dicarboxylic acid cycle, NAD - malic enzyme type [PATH:mch01200 mch01100 mch01120]
M00170 C4-dicarboxylic acid cycle, phosphoenolpyruvate carboxykinase type [PATH:mch01200 mch01100 mch01120]
M00579 Phosphate acetyltransferase-acetate kinase pathway, acetyl-CoA => acetate [PATH:mch00430 mch00620 mch01200 mch01100 mch01120]
M00620 Incomplete reductive citrate cycle, acetyl-CoA => oxoglutarate [PATH:mch01200 mch01100 mch01120]

Methane metabolism
M00567 Methanogenesis, CO2 => methane [PATH:mch00680 mch01200 mch01100 mch01120]
M00608 2-Oxocarboxylic acid chain extension, 2-oxoglutarate => 2-oxoadipate => 2-oxopimelate => 2-oxosuberate [PATH:mch00300 mch00680 mch01210 mch01230 mch01240 mch01100 mch01120]
M00346 Formaldehyde assimilation, serine pathway [PATH:mch00680 mch01200 mch01100 mch01120]
M00345 Formaldehyde assimilation, ribulose monophosphate pathway [PATH:mch00030 mch00680 mch01200 mch01230 mch01100 mch01120]
M00378 F420 biosynthesis, archaea [PATH:mch00680 mch01240 mch01100 mch01120]

Nitrogen metabolism
M00531 Assimilatory nitrate reduction, nitrate => ammonia [PATH:mch00910 mch01100 mch01120]
M00530 Dissimilatory nitrate reduction, nitrate => ammonia [PATH:mch00910 mch01100 mch01120]

Sulfur metabolism
M00176 Assimilatory sulfate reduction, sulfate => H2S [PATH:mch00920 mch01100 mch01120]

Photosynthesis
M00161 Photosystem II [PATH:mch01100]
M00163 Photosystem I [PATH:mch01100]
M00597 Anoxygenic photosystem II

ATP synthesis
M00144 NADH:quinone oxidoreductase, prokaryotes [PATH:mch00190 mch01100]
M00145 NAD(P)H:quinone oxidoreductase, chloroplasts and cyanobacteria [PATH:mch00190 mch01100]
M00149 Succinate dehydrogenase, prokaryotes [PATH:mch00190 mch01100]
M00151 Cytochrome bc1 complex respiratory unit [PATH:mch00190 mch01100]
M00155 Cytochrome c oxidase, prokaryotes [PATH:mch00190 mch01100]
M00153 Cytochrome bd ubiquinol oxidase [PATH:mch00190]
M00417 Cytochrome o ubiquinol oxidase [PATH:mch00190 mch01100]
M00157 F-type ATPase, prokaryotes and chloroplasts [PATH:mch00190 mch01100]
M00159 V/A-type ATPase, prokaryotes [PATH:mch00190 mch01100]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:mch00061 mch01212 mch01100]
M00083 Fatty acid biosynthesis, elongation [PATH:mch00061 mch01212 mch01100]
M00415 Fatty acid elongation in endoplasmic reticulum [PATH:mch01040 mch01212 mch01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:mch00061 mch00071 mch01212 mch01100]
M00087 beta-Oxidation [PATH:mch00071 mch01212 mch01100]

Sterol biosynthesis
M00917 Phytosterol biosynthesis, squalene 2,3-epoxide => campesterol/sitosterol [PATH:mch01100 mch01110]

Lipid metabolism
M00089 Triacylglycerol biosynthesis [PATH:mch00561 mch01100]
M00098 Acylglycerol degradation [PATH:mch00561 mch01100]
M00091 Phosphatidylcholine (PC) biosynthesis, PE => PC [PATH:mch00564 mch01100]
M00092 Phosphatidylethanolamine (PE) biosynthesis, ethanolamine => PE [PATH:mch00564 mch01100]
M00093 Phosphatidylethanolamine (PE) biosynthesis, PA => PS => PE [PATH:mch00564 mch01100]
M00100 Sphingosine degradation [PATH:mch01100]
M00113 Jasmonic acid biosynthesis [PATH:mch01100 mch01110]

Nucleotide metabolism
Purine metabolism
M00048 De novo purine biosynthesis, PRPP + glutamine => IMP [PATH:mch00230 mch01100]
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:mch00230 mch01232 mch01240 mch01100]
M00050 Guanine ribonucleotide biosynthesis, IMP => GDP,GTP [PATH:mch00230 mch01232 mch01100]
M00053 Deoxyribonucleotide biosynthesis, ADP/GDP/CDP/UDP => dATP/dGTP/dCTP/dUTP [PATH:mch00230 mch00240 mch01232 mch01100]
M00958 Adenine ribonucleotide degradation, AMP => Urate [PATH:mch00230 mch01232 mch01100]
M00959 Guanine ribonucleotide degradation, GMP => Urate [PATH:mch00230 mch01232 mch01100]

Pyrimidine metabolism
M00051 De novo pyrimidine biosynthesis, glutamine (+ PRPP) => UMP [PATH:mch00240 mch01240 mch01100]
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:mch00240 mch01232 mch01240 mch01100]
M00938 Pyrimidine deoxyribonucleotide biosynthesis, UDP => dTTP [PATH:mch00240 mch01232 mch01100]
M00046 Pyrimidine degradation, uracil => beta-alanine, thymine => 3-aminoisobutanoate [PATH:mch00240 mch00410 mch00770 mch01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:mch00260 mch00680 mch01200 mch01230 mch01100]
M00018 Threonine biosynthesis, aspartate => homoserine => threonine [PATH:mch00260 mch01230 mch01100 mch01110]
M00621 Glycine cleavage system [PATH:mch00260 mch00630 mch00785 mch01200 mch01100]
M00555 Betaine biosynthesis, choline => betaine [PATH:mch00260 mch01100]
M00975 Betaine degradation, bacteria, betaine => pyruvate [PATH:mch00260 mch01100]
M00033 Ectoine biosynthesis, aspartate => ectoine [PATH:mch00260 mch01210 mch01230 mch01100 mch01120]

Cysteine and methionine metabolism
M00021 Cysteine biosynthesis, serine => cysteine [PATH:mch00270 mch00920 mch01200 mch01230 mch01100 mch01110]
M00338 Cysteine biosynthesis, homocysteine + serine => cysteine [PATH:mch00260 mch00270 mch01230 mch01100]
M00017 Methionine biosynthesis, aspartate => homoserine => methionine [PATH:mch00270 mch01230 mch01100]
M00034 Methionine salvage pathway [PATH:mch00270 mch01100]
M00035 Methionine degradation [PATH:mch00270 mch01100]
M00368 Ethylene biosynthesis, methionine => ethylene [PATH:mch00270 mch01100 mch01110]

Branched-chain amino acid metabolism
M00019 Valine/isoleucine biosynthesis, pyruvate => valine / 2-oxobutanoate => isoleucine [PATH:mch00290 mch00770 mch01210 mch01230 mch01100 mch01110]
M00570 Isoleucine biosynthesis, threonine => 2-oxobutanoate => isoleucine [PATH:mch00290 mch01230 mch01100]
M00432 Leucine biosynthesis, 2-oxoisovalerate => 2-oxoisocaproate [PATH:mch00290 mch01210 mch01230 mch01100 mch01110]
M00036 Leucine degradation, leucine => acetoacetate + acetyl-CoA [PATH:mch00280 mch01100]

Lysine metabolism
M00016 Lysine biosynthesis, succinyl-DAP pathway, aspartate => lysine [PATH:mch00300 mch01230 mch01100]
M00527 Lysine biosynthesis, DAP aminotransferase pathway, aspartate => lysine [PATH:mch00300 mch01230 mch01100 mch01110]

Arginine and proline metabolism
M00028 Ornithine biosynthesis, glutamate => ornithine [PATH:mch00220 mch01210 mch01230 mch01100]
M00844 Arginine biosynthesis, ornithine => arginine [PATH:mch00220 mch01230 mch01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:mch00330 mch01230 mch01100]
M00970 Proline degradation, proline => glutamate [PATH:mch00330 mch01100]
M00972 Proline metabolism [PATH:mch00330 mch01100]

Polyamine biosynthesis
M00134 Polyamine biosynthesis, arginine => ornithine => putrescine [PATH:mch00330 mch01100]
M00135 GABA biosynthesis, eukaryotes, putrescine => GABA [PATH:mch00330 mch01100]

Histidine metabolism
M00026 Histidine biosynthesis, PRPP => histidine [PATH:mch00340 mch01230 mch01100 mch01110]
M00045 Histidine degradation, histidine => N-formiminoglutamate => glutamate [PATH:mch00340 mch01100]

Aromatic amino acid metabolism
M00022 Shikimate pathway, phosphoenolpyruvate + erythrose-4P => chorismate [PATH:mch00400 mch01230 mch01100 mch01110]
M00023 Tryptophan biosynthesis, chorismate => tryptophan [PATH:mch00400 mch01230 mch01100 mch01110]
M00910 Phenylalanine biosynthesis, chorismate => arogenate => phenylalanine [PATH:mch00400 mch01230 mch01100 mch01110]
M00040 Tyrosine biosynthesis, chorismate => arogenate => tyrosine [PATH:mch00400 mch01230 mch01100 mch01110]
M00044 Tyrosine degradation, tyrosine => homogentisate [PATH:mch00350 mch01100]

Other amino acid metabolism
M00027 GABA (gamma-Aminobutyrate) shunt [PATH:mch00250 mch00650 mch01100]
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:mch00480 mch01240 mch01100]

Glycan metabolism
Glycan biosynthesis
M00055 N-glycan precursor biosynthesis [PATH:mch01100]
M00073 N-glycan precursor trimming [PATH:mch01100]

Glycosaminoglycan metabolism
Lipopolysaccharide metabolism
Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00896 Thiamine biosynthesis, archaea, AIR (+ NAD+) => TMP/TPP [PATH:mch00730 mch01240 mch01100]
M00899 Thiamine salvage pathway, HMP/HET => TMP [PATH:mch00730 mch01100]
M00125 Riboflavin biosynthesis, plants and bacteria, GTP => riboflavin/FMN/FAD [PATH:mch00740 mch01240 mch01100 mch01110]
M00916 Pyridoxal-P biosynthesis, R5P + glyceraldehyde-3P + glutamine => pyridoxal-P [PATH:mch00750 mch01240 mch01100]
M00115 NAD biosynthesis, aspartate => quinolinate => NAD [PATH:mch00760 mch01240 mch01100]
M00119 Pantothenate biosynthesis, valine/L-aspartate => pantothenate [PATH:mch00770 mch01240 mch01100 mch01110]
M00120 Coenzyme A biosynthesis, pantothenate => CoA [PATH:mch00770 mch01240 mch01100]
M00123 Biotin biosynthesis, pimeloyl-ACP/CoA => biotin [PATH:mch00780 mch01240 mch01100]
M00881 Lipoic acid biosynthesis, plants and bacteria, octanoyl-ACP => dihydrolipoyl-E2/H [PATH:mch00785 mch01240 mch01100]
M00882 Lipoic acid biosynthesis, eukaryotes, octanoyl-ACP => dihydrolipoyl-H [PATH:mch00785 mch01240 mch01100]
M00126 Tetrahydrofolate biosynthesis, GTP => THF [PATH:mch00790 mch00670 mch01240 mch01100]
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor [PATH:mch00790 mch01240 mch01100]
M00140 C1-unit interconversion, prokaryotes [PATH:mch00670 mch01240 mch01100]
M00846 Siroheme biosynthesis, glutamyl-tRNA => siroheme [PATH:mch00860 mch01240 mch01100 mch01110]
M00121 Heme biosynthesis, plants and bacteria, glutamate => heme [PATH:mch00860 mch01240 mch01100 mch01110]
M00926 Heme biosynthesis, bacteria, glutamyl-tRNA => coproporphyrin III => heme [PATH:mch00860 mch01240 mch01100]
M00847 Heme biosynthesis, archaea, siroheme => heme [PATH:mch00860 mch01240 mch01100 mch01110]
M00925 Cobalamin biosynthesis, aerobic, uroporphyrinogen III => precorrin 2 => cobyrinate a,c-diamide [PATH:mch00860 mch01240 mch01100]
M00122 Cobalamin biosynthesis, cobyrinate a,c-diamide => cobalamin [PATH:mch00860 mch01240 mch01100]
M00930 Menaquinone biosynthesis, futalosine pathway [PATH:mch00130 mch01240 mch01100]
M00932 Phylloquinone biosynthesis, chorismate (+ phytyl-PP) => phylloquinol [PATH:mch00130 mch01240 mch01100 mch01110]
M00112 Tocopherol/tocotorienol biosynthesis, homogentisate + phytyl/geranylgeranyl-PP => tocopherol/tocotorienol [PATH:mch00130 mch01240 mch01100 mch01110]
M00933 Plastoquinone biosynthesis, homogentisate + solanesyl-PP => plastoquinol [PATH:mch00130 mch01240 mch01100 mch01110]

Biosynthesis of terpenoids and polyketides
Terpenoid backbone biosynthesis
M00095 C5 isoprenoid biosynthesis, mevalonate pathway [PATH:mch00900 mch01100 mch01110]
M00849 C5 isoprenoid biosynthesis, mevalonate pathway, archaea [PATH:mch00900 mch01100 mch01110]
M00096 C5 isoprenoid biosynthesis, non-mevalonate pathway [PATH:mch00900 mch01100 mch01110]
M00364 C10-C20 isoprenoid biosynthesis, bacteria [PATH:mch00900 mch01100 mch01110]
M00365 C10-C20 isoprenoid biosynthesis, archaea [PATH:mch00900 mch01100 mch01110]
M00366 C10-C20 isoprenoid biosynthesis, plants [PATH:mch00900 mch01100 mch01110]

Plant terpenoid biosynthesis
M00097 beta-Carotene biosynthesis, GGAP => beta-carotene [PATH:mch00906 mch01100 mch01110]
M00372 Abscisic acid biosynthesis, beta-carotene => abscisic acid [PATH:mch00906 mch01100 mch01110]
M00371 Castasterone biosynthesis, campesterol => castasterone [PATH:mch01100 mch01110]
M00927 Gibberellin A12 biosynthesis, GAPP => GA12 [PATH:mch01100 mch01110]
M00928 Gibberellin A4/A1 biosynthesis, GA12/GA53 => GA4/GA1 [PATH:mch01100 mch01110]

Macrolide biosynthesis
Enediyne biosynthesis
Type II polyketide biosynthesis
Polyketide sugar unit biosynthesis
M00793 dTDP-L-rhamnose biosynthesis [PATH:mch00521 mch00523 mch00541 mch01250 mch01100 mch01110]

Biosynthesis of other secondary metabolites
Biosynthesis of phytochemical compounds
M00137 Flavanone biosynthesis, phenylalanine => naringenin [PATH:mch01100 mch01110]

Biosynthesis of beta-lactams
Biosynthesis of other antibiotics
Biosynthesis of other fungal compounds
Biosynthesis of other bacterial compounds
Xenobiotics biodegradation
Aromatics degradation
M00545 Trans-cinnamate degradation, trans-cinnamate => acetyl-CoA [PATH:mch00360 mch01220 mch01100 mch01120]

Gene set
Pathogenicity
Drug resistance
M00627 beta-Lactam resistance, Bla system [PATH:mch01501]

Plant pathogenicity
Symbiosis
Module set
Metabolic capacity
M00611 Oxygenic photosynthesis in plants and cyanobacteria
M00617 Methanogen
M00615 Nitrate assimilation
M00616 Sulfate-sulfur assimilation