KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00002 Glycolysis, core module involving three-carbon compounds [PATH:eah00010 eah01200 eah01230 eah01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:eah00010 eah00020 eah00620 eah00785 eah01200 eah01210 eah01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:eah00020 eah01200 eah01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:eah00020 eah01200 eah01210 eah01230 eah01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:eah00020 eah01200 eah01210 eah01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:eah00030 eah01200 eah01100 eah01120]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:eah00030 eah01200 eah01100 eah01120]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:eah00030 eah01200 eah01230 eah01100 eah01120]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:eah00030 eah00230 eah01200 eah01230 eah01100]
M00008 Entner-Doudoroff pathway, glucose-6P => glyceraldehyde-3P + pyruvate [PATH:eah00030 eah01200 eah01100 eah01120]

Other carbohydrate metabolism
M00552 D-galactonate degradation, De Ley-Doudoroff pathway, D-galactonate => glycerate-3P [PATH:eah00052 eah01100]
M00854 Glycogen biosynthesis, glucose-1P => glycogen/starch [PATH:eah00500 eah01100]
M00012 Glyoxylate cycle [PATH:eah00630 eah01200 eah01100 eah01110]
M00741 Propanoyl-CoA metabolism, propanoyl-CoA => succinyl-CoA [PATH:eah00280 eah00630 eah00640 eah01200 eah01100]

Energy metabolism
Carbon fixation
M00169 CAM (Crassulacean acid metabolism), light [PATH:eah00620 eah00710 eah01200 eah01100 eah01120]
M00579 Phosphate acetyltransferase-acetate kinase pathway, acetyl-CoA => acetate [PATH:eah00430 eah00620 eah00720 eah01200 eah01100 eah01120]

Methane metabolism
Nitrogen metabolism
M00531 Assimilatory nitrate reduction, nitrate => ammonia [PATH:eah00910 eah01310 eah01100 eah01120]
M00529 Denitrification, nitrate => nitrogen [PATH:eah00910 eah01310 eah01100 eah01120]

Sulfur metabolism
Photosynthesis
ATP synthesis
M00144 NADH:quinone oxidoreductase, prokaryotes [PATH:eah00190 eah01100]
M00149 Succinate dehydrogenase, prokaryotes [PATH:eah00190 eah01100]
M00151 Cytochrome bc1 complex respiratory unit [PATH:eah00190 eah01100]
M00155 Cytochrome c oxidase, prokaryotes [PATH:eah00190 eah01100]
M00417 Cytochrome o ubiquinol oxidase [PATH:eah00190 eah01100]
M00156 Cytochrome c oxidase, cbb3-type [PATH:eah00190 eah01100]
M00157 F-type ATPase, prokaryotes and chloroplasts [PATH:eah00190 eah01100]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:eah00061 eah01212 eah01100]
M00083 Fatty acid biosynthesis, elongation [PATH:eah00061 eah01212 eah01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:eah00061 eah00071 eah01212 eah01100]

Sterol biosynthesis
Lipid metabolism
M00091 Phosphatidylcholine (PC) biosynthesis, PE => PC [PATH:eah00564 eah01100]
M00093 Phosphatidylethanolamine (PE) biosynthesis, PA => PS => PE [PATH:eah00564 eah01100]

Nucleotide metabolism
Purine metabolism
M00048 De novo purine biosynthesis, PRPP + glutamine => IMP [PATH:eah00230 eah01100]
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:eah00230 eah01232 eah01240 eah01100]
M00050 Guanine ribonucleotide biosynthesis, IMP => GDP,GTP [PATH:eah00230 eah01232 eah01100]
M00053 Deoxyribonucleotide biosynthesis, ADP/GDP/CDP/UDP => dATP/dGTP/dCTP/dUTP [PATH:eah00230 eah00240 eah01232 eah01100]
M00958 Adenine ribonucleotide degradation, AMP => Urate [PATH:eah00230 eah01232 eah01100]
M00959 Guanine ribonucleotide degradation, GMP => Urate [PATH:eah00230 eah01232 eah01100]

Pyrimidine metabolism
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:eah00240 eah01232 eah01240 eah01100]
M00938 Pyrimidine deoxyribonucleotide biosynthesis, UDP => dTTP [PATH:eah00240 eah01232 eah01100]
M00046 Pyrimidine degradation, uracil => beta-alanine, thymine => 3-aminoisobutanoate [PATH:eah00240 eah00410 eah00770 eah01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:eah00260 eah00680 eah01200 eah01230 eah01100]
M00018 Threonine biosynthesis, aspartate => homoserine => threonine [PATH:eah00260 eah01230 eah01100 eah01110]
M00621 Glycine cleavage system [PATH:eah00260 eah00630 eah00670 eah00785 eah01200 eah01100]
M00555 Betaine biosynthesis, choline => betaine [PATH:eah00260 eah00670 eah01100]
M00975 Betaine degradation, bacteria, betaine => pyruvate [PATH:eah00260 eah01100]
M00919 Ectoine degradation, ectoine => aspartate [PATH:eah00260 eah01100 eah01120]

Cysteine and methionine metabolism
M00021 Cysteine biosynthesis, serine => cysteine [PATH:eah00270 eah00920 eah01320 eah01200 eah01230 eah01100 eah01110]

Branched-chain amino acid metabolism
M00019 Valine/isoleucine biosynthesis, pyruvate => valine / 2-oxobutanoate => isoleucine [PATH:eah00290 eah00770 eah01210 eah01230 eah01100 eah01110]
M00570 Isoleucine biosynthesis, threonine => 2-oxobutanoate => isoleucine [PATH:eah00290 eah01230 eah01100]
M00432 Leucine biosynthesis, 2-oxoisovalerate => 2-oxoisocaproate [PATH:eah00290 eah01210 eah01230 eah01100 eah01110]
M00036 Leucine degradation, leucine => acetoacetate + acetyl-CoA [PATH:eah00280 eah01100]

Lysine metabolism
M00016 Lysine biosynthesis, succinyl-DAP pathway, aspartate => lysine [PATH:eah00300 eah01230 eah01100]

Arginine and proline metabolism
M00028 Ornithine biosynthesis, glutamate => ornithine [PATH:eah00220 eah01210 eah01230 eah01100]
M00844 Arginine biosynthesis, ornithine => arginine [PATH:eah00220 eah01230 eah01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:eah00330 eah01230 eah01100]
M00970 Proline degradation, proline => glutamate [PATH:eah00330 eah01100]

Polyamine biosynthesis
M00134 Polyamine biosynthesis, arginine => ornithine => putrescine [PATH:eah00330 eah01100]

Histidine metabolism
M00026 Histidine biosynthesis, PRPP => histidine [PATH:eah00340 eah01230 eah01100 eah01110]
M00045 Histidine degradation, histidine => N-formiminoglutamate => glutamate [PATH:eah00340 eah01100]

Aromatic amino acid metabolism
M00022 Shikimate pathway, phosphoenolpyruvate + erythrose-4P => chorismate [PATH:eah00400 eah01230 eah01100 eah01110]
M00023 Tryptophan biosynthesis, chorismate => tryptophan [PATH:eah00400 eah01230 eah01100 eah01110]
M00024 Phenylalanine biosynthesis, chorismate => phenylpyruvate => phenylalanine [PATH:eah00400 eah01230 eah01100 eah01110]
M00040 Tyrosine biosynthesis, chorismate => arogenate => tyrosine [PATH:eah00400 eah01230 eah01100 eah01110]
M00044 Tyrosine degradation, tyrosine => homogentisate [PATH:eah00350 eah01100]

Other amino acid metabolism
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:eah00480 eah01240 eah01100]
M00947 D-Arginine racemization, D-arginine => L-arginine [PATH:eah00470 eah01100]

Glycan metabolism
Nucleotide sugar biosynthesis
M00909 UDP-GlcNAc biosynthesis, prokaryotes, Fru-6P => UDP-GlcNAc [PATH:eah00520 eah01250 eah01100]
M00995 UDP-MurNAc biosynthesis, Fru-6P => UDP-MurNAc [PATH:eah00520 eah01250 eah01100]
M00549 UDP-Glc biosynthesis, Glc => UDP-Glc [PATH:eah00520 eah01250 eah01100]
M01004 UDP-Galf biosynthesis, UDP-Glc => UDP-Galf [PATH:eah00520 eah00052 eah01250 eah01100]
M00997 UDP-Xyl/L-Ara biosynthesis, UDP-Glc => UDP-Xyl => UDP-L-Ala [PATH:eah00520 eah01250 eah01100]
M00999 UDP-GlcA/GalA biosynthesis, UDP-Glc => UDP-GlcA => UDP-GalA [PATH:eah00520 eah00053 eah01250 eah01100]
M00793 dTDP-L-rhamnose biosynthesis, glucose-1P => dTDP-L-Rha [PATH:eah00521 eah00523 eah00541 eah01250 eah01100 eah01110]

Glycan biosynthesis
Glycosaminoglycan metabolism
Lipopolysaccharide metabolism
Other polysaccharide metabolism
Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00115 NAD biosynthesis, aspartate => quinolinate => NAD [PATH:eah00760 eah01240 eah01100]
M00120 Coenzyme A biosynthesis, pantothenate => CoA [PATH:eah00770 eah01240 eah01100]
M00123 Biotin biosynthesis, pimeloyl-ACP/CoA => biotin [PATH:eah00780 eah01240 eah01100]
M00881 Lipoic acid biosynthesis, plants and bacteria, octanoyl-ACP => dihydrolipoyl-E2/H [PATH:eah00785 eah01240 eah01100]
M00126 Tetrahydrofolate biosynthesis, GTP => THF [PATH:eah00790 eah00670 eah01240 eah01100]
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor [PATH:eah00790 eah01240 eah01100]
M00988 PreQ1 biosynthesis, GTP => 7-Aminomethyl-7-deazaguanine [PATH:eah00790 eah01100]
M00140 C1-unit interconversion, prokaryotes [PATH:eah00670 eah01240 eah01100]
M00925 Cobalamin biosynthesis, aerobic, uroporphyrinogen III => precorrin 2 => cobyrinate a,c-diamide [PATH:eah00860 eah01240 eah01100]

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
M00551 Benzoate degradation, benzoate => catechol / methylbenzoate => methylcatechol [PATH:eah00362 eah00622 eah01220 eah01100 eah01120]
M00568 Catechol ortho-cleavage, catechol => 3-oxoadipate [PATH:eah00362 eah01220 eah01100 eah01120]

Gene set
Pathogenicity
Drug resistance
Plant pathogenicity
Symbiosis
Module set
Metabolic capacity
M00615 Nitrate assimilation