KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate [PATH:egz00010 egz01200 egz01100]
M00002 Glycolysis, core module involving three-carbon compounds [PATH:egz00010 egz01200 egz01230 egz01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:egz00010 egz00020 egz01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:egz00010 egz00020 egz00620 egz00785 egz01200 egz01210 egz01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:egz00020 egz01200 egz01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:egz00020 egz01200 egz01210 egz01230 egz01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:egz00020 egz01200 egz01210 egz01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:egz00030 egz01200 egz01100]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:egz00030 egz01200 egz01100]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:egz00030 egz01200 egz01230 egz01100]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:egz00030 egz00230 egz01200 egz01230 egz01100]

Other carbohydrate metabolism
M00014 Glucuronate pathway (uronate pathway) [PATH:egz00040 egz01100]
M00632 Galactose degradation, Leloir pathway, galactose => alpha-D-glucose-1P [PATH:egz00052 egz01100]
M00129 Ascorbate biosynthesis, animals, glucose-1P => ascorbate [PATH:egz00040 egz00053 egz01240 egz01100]
M00854 Glycogen biosynthesis, glucose-1P => glycogen/starch [PATH:egz00500 egz01100]
M00855 Glycogen degradation, glycogen => glucose-6P [PATH:egz00500 egz01100]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:egz00520 egz01250 egz01100]
M00554 Nucleotide sugar biosynthesis, galactose => UDP-galactose [PATH:egz00520 egz00052 egz01250 egz01100]
M00892 UDP-N-acetyl-D-glucosamine biosynthesis, eukaryotes, glucose => UDP-GlcNAc [PATH:egz00520 egz01250 egz01100]
M00741 Propanoyl-CoA metabolism, propanoyl-CoA => succinyl-CoA [PATH:egz00280 egz00630 egz00640 egz01200 egz01100]
M00130 Inositol phosphate metabolism, PI=> PIP2 => Ins(1,4,5)P3 => Ins(1,3,4,5)P4 [PATH:egz00562 egz01100]
M00132 Inositol phosphate metabolism, Ins(1,3,4)P3 => phytate [PATH:egz00562 egz01100]

Energy metabolism
Carbon fixation
Methane metabolism
Nitrogen metabolism
Sulfur metabolism
Photosynthesis
ATP synthesis
M00142 NADH:ubiquinone oxidoreductase, mitochondria [PATH:egz00190 egz01100]
M00148 Succinate dehydrogenase (ubiquinone) [PATH:egz00190 egz01100]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:egz00061 egz01212 egz01100]
M00083 Fatty acid biosynthesis, elongation [PATH:egz00061 egz01212 egz01100]
M00085 Fatty acid elongation in mitochondria [PATH:egz00062 egz01212 egz01100]
M00415 Fatty acid elongation in endoplasmic reticulum [PATH:egz00062 egz01040 egz01212 egz01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:egz00061 egz00071 egz01212 egz01100]
M00087 beta-Oxidation [PATH:egz00071 egz01212 egz01100]
M00861 beta-Oxidation, peroxisome, VLCFA [PATH:egz01040 egz01212 egz01100]

Sterol biosynthesis
M00862 beta-Oxidation, peroxisome, tri/dihydroxycholestanoyl-CoA => choloyl/chenodeoxycholoyl-CoA [PATH:egz00120 egz01100]
M00107 Steroid hormone biosynthesis, cholesterol => pregnenolone => progesterone [PATH:egz00140 egz01100]
M00110 C19/C18-Steroid hormone biosynthesis, pregnenolone => androstenedione => estrone [PATH:egz00140 egz01100]
M00976 C19-Steroid hormone biosynthesis, pregnenolone => testosterone => dihydrotestosterone [PATH:egz00140 egz01100]

Lipid metabolism
M00089 Triacylglycerol biosynthesis [PATH:egz00561 egz01100]
M00098 Acylglycerol degradation [PATH:egz00561 egz01100]
M00090 Phosphatidylcholine (PC) biosynthesis, choline => PC [PATH:egz00564 egz01100]
M00091 Phosphatidylcholine (PC) biosynthesis, PE => PC [PATH:egz00564 egz01100]
M00092 Phosphatidylethanolamine (PE) biosynthesis, ethanolamine => PE [PATH:egz00564 egz01100]
M00094 Ceramide biosynthesis [PATH:egz00600 egz01100]
M00066 Lactosylceramide biosynthesis [PATH:egz00600 egz01100]
M00067 Sulfoglycolipids biosynthesis, ceramide/1-alkyl-2-acylglycerol => sulfatide/seminolipid [PATH:egz00600 egz00565 egz01100]
M00099 Sphingosine biosynthesis [PATH:egz00600 egz01100]

Nucleotide metabolism
Purine metabolism
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:egz00230 egz01232 egz01240 egz01100]
M00050 Guanine ribonucleotide biosynthesis, IMP => GDP,GTP [PATH:egz00230 egz01232 egz01100]
M00053 Deoxyribonucleotide biosynthesis, ADP/GDP/CDP/UDP => dATP/dGTP/dCTP/dUTP [PATH:egz00230 egz00240 egz01232 egz01100]
M00958 Adenine ribonucleotide degradation, AMP => Urate [PATH:egz00230 egz01232 egz01100]
M00959 Guanine ribonucleotide degradation, GMP => Urate [PATH:egz00230 egz01232 egz01100]

Pyrimidine metabolism
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:egz00240 egz01232 egz01240 egz01100]
M00938 Pyrimidine deoxyribonucleotide biosynthesis, UDP => dTTP [PATH:egz00240 egz01232 egz01100]
M00046 Pyrimidine degradation, uracil => beta-alanine, thymine => 3-aminoisobutanoate [PATH:egz00240 egz00410 egz00770 egz01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:egz00260 egz01200 egz01230 egz01100]
M00555 Betaine biosynthesis, choline => betaine [PATH:egz00260 egz00670 egz01100]
M00974 Betaine metabolism, animals, betaine => glycine [PATH:egz00260 egz00670 egz01100]

Cysteine and methionine metabolism
M00338 Cysteine biosynthesis, homocysteine + serine => cysteine [PATH:egz00260 egz00270 egz00670 egz01230 egz01100]
M00035 Methionine degradation [PATH:egz00270 egz00670 egz01100]

Branched-chain amino acid metabolism
Lysine metabolism
Arginine and proline metabolism
M00844 Arginine biosynthesis, ornithine => arginine [PATH:egz00220 egz01230 egz01100]
M00029 Urea cycle [PATH:egz00220 egz01230 egz01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:egz00330 egz01230 egz01100]
M00970 Proline degradation, proline => glutamate [PATH:egz00330 egz01100]
M00972 Proline metabolism [PATH:egz00330 egz01100]
M00047 Creatine pathway [PATH:egz00330 egz00260 egz01100]

Polyamine biosynthesis
M00134 Polyamine biosynthesis, arginine => ornithine => putrescine [PATH:egz00330 egz01100]
M00135 GABA biosynthesis, eukaryotes, putrescine => GABA [PATH:egz00330 egz01100]

Histidine metabolism
M00045 Histidine degradation, histidine => N-formiminoglutamate => glutamate [PATH:egz00340 egz01100]

Aromatic amino acid metabolism
M00043 Thyroid hormone biosynthesis, tyrosine => triiodothyronine/thyroxine [PATH:egz00350 egz01100]
M00044 Tyrosine degradation, tyrosine => homogentisate [PATH:egz00350 egz01100]
M00037 Melatonin biosynthesis, animals, tryptophan => serotonin => melatonin [PATH:egz00380 egz01100]

Other amino acid metabolism
M00027 GABA (gamma-Aminobutyrate) shunt [PATH:egz00250 egz00650 egz01100]
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:egz00480 egz01240 egz01100]

Glycan metabolism
Glycan biosynthesis
M00075 N-glycan biosynthesis, complex type [PATH:egz00510 egz01100]
M00065 GPI-anchor biosynthesis, core oligosaccharide [PATH:egz00563 egz01100]
M00983 GPI-anchor remodeling [PATH:egz00563]
M00070 Glycosphingolipid biosynthesis, lacto-series, LacCer => Lc4Cer [PATH:egz00601 egz01100]
M00071 Glycosphingolipid biosynthesis, neolacto-series, LacCer => nLc4Cer [PATH:egz00601 egz01100]
M00068 Glycosphingolipid biosynthesis, globo-series, LacCer => Gb4Cer [PATH:egz00603 egz01100]
M00069 Glycosphingolipid biosynthesis, ganglio series, LacCer => GT3 [PATH:egz00604 egz01100]

Glycosaminoglycan metabolism
M00058 Glycosaminoglycan biosynthesis, chondroitin sulfate backbone [PATH:egz00532 egz01100]
M00059 Glycosaminoglycan biosynthesis, heparan sulfate backbone [PATH:egz00534 egz01100]
M00076 Dermatan sulfate degradation [PATH:egz00531 egz01100]
M00077 Chondroitin sulfate degradation [PATH:egz00531 egz01100]
M00078 Heparan sulfate degradation [PATH:egz00531 egz01100]
M00079 Keratan sulfate degradation [PATH:egz00531 egz01100]

Lipopolysaccharide metabolism
Other polysaccharide metabolism
Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00842 Tetrahydrobiopterin biosynthesis, GTP => BH4 [PATH:egz00790 egz01240 egz01100]
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor [PATH:egz00790 egz01240 egz01100]
M00141 C1-unit interconversion, eukaryotes [PATH:egz00670 egz01240 egz01100]
M00128 Ubiquinone biosynthesis, eukaryotes, 4-hydroxybenzoate + polyprenyl-PP => ubiquinol [PATH:egz00130 egz01240 egz01100]

Biosynthesis of terpenoids and polyketides
Terpenoid backbone biosynthesis
M00367 C10-C20 isoprenoid biosynthesis, non-plant eukaryotes [PATH:egz00900 egz01100]

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