KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate [PATH:chig00010 chig01200 chig01100]
M00002 Glycolysis, core module involving three-carbon compounds [PATH:chig00010 chig01200 chig01230 chig01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:chig00010 chig00020 chig01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:chig00010 chig00020 chig00620 chig00785 chig01200 chig01210 chig01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:chig00020 chig01200 chig01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:chig00020 chig01200 chig01210 chig01230 chig01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:chig00020 chig01200 chig01210 chig01100]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:chig00030 chig01200 chig01230 chig01100]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:chig00030 chig00230 chig01200 chig01230 chig01100]

Other carbohydrate metabolism
M00630 D-Galacturonate degradation (fungi), D-galacturonate => glycerol [PATH:chig00040 chig01100]
M00081 Pectin degradation [PATH:chig00040 chig01100]
M00632 Galactose degradation, Leloir pathway, galactose => alpha-D-glucose-1P [PATH:chig00052 chig01100]
M00854 Glycogen biosynthesis, glucose-1P => glycogen/starch [PATH:chig00500 chig01100]
M00855 Glycogen degradation, glycogen => glucose-6P [PATH:chig00500 chig01100]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:chig00520 chig01250 chig01100]
M00554 Nucleotide sugar biosynthesis, galactose => UDP-galactose [PATH:chig00520 chig00052 chig01250 chig01100]
M00892 UDP-N-acetyl-D-glucosamine biosynthesis, eukaryotes, glucose => UDP-GlcNAc [PATH:chig00520 chig01250 chig01100]
M00012 Glyoxylate cycle [PATH:chig00630 chig01200 chig01100 chig01110]
M00013 Malonate semialdehyde pathway, propanoyl-CoA => acetyl-CoA [PATH:chig00410 chig00640 chig01200 chig01100]

Energy metabolism
Carbon fixation
Methane metabolism
M00344 Formaldehyde assimilation, xylulose monophosphate pathway [PATH:chig00680 chig01200 chig01100]

Nitrogen metabolism
M00531 Assimilatory nitrate reduction, nitrate => ammonia [PATH:chig00910 chig01100]

Sulfur metabolism
M00176 Assimilatory sulfate reduction, sulfate => H2S [PATH:chig00920 chig01100]

Photosynthesis
ATP synthesis
M00143 NADH dehydrogenase (ubiquinone) Fe-S protein/flavoprotein complex, mitochondria [PATH:chig00190 chig01100]
M00148 Succinate dehydrogenase (ubiquinone) [PATH:chig00190 chig01100]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:chig00061 chig01212 chig01100]
M00083 Fatty acid biosynthesis, elongation [PATH:chig00061 chig01212 chig01100]
M00415 Fatty acid elongation in endoplasmic reticulum [PATH:chig00062 chig01040 chig01212 chig01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:chig00061 chig00071 chig01212 chig01100]

Sterol biosynthesis
M00102 Ergocalciferol biosynthesis, FPP => ergosterol/ergocalciferol [PATH:chig00100 chig01100 chig01110]

Lipid metabolism
M00089 Triacylglycerol biosynthesis [PATH:chig00561 chig01100]
M00098 Acylglycerol degradation [PATH:chig00561 chig01100]
M00092 Phosphatidylethanolamine (PE) biosynthesis, ethanolamine => PE [PATH:chig00564 chig01100]
M00093 Phosphatidylethanolamine (PE) biosynthesis, PA => PS => PE [PATH:chig00564 chig01100]
M00094 Ceramide biosynthesis [PATH:chig00600 chig01100]
M00099 Sphingosine biosynthesis [PATH:chig00600 chig01100]
M00100 Sphingosine degradation [PATH:chig00600 chig01100]

Nucleotide metabolism
Purine metabolism
M00048 De novo purine biosynthesis, PRPP + glutamine => IMP [PATH:chig00230 chig01100]
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:chig00230 chig01232 chig01240 chig01100]
M00053 Deoxyribonucleotide biosynthesis, ADP/GDP/CDP/UDP => dATP/dGTP/dCTP/dUTP [PATH:chig00230 chig00240 chig01232 chig01100]

Pyrimidine metabolism
M00051 De novo pyrimidine biosynthesis, glutamine (+ PRPP) => UMP [PATH:chig00240 chig01240 chig01100]
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:chig00240 chig01232 chig01240 chig01100]
M00938 Pyrimidine deoxyribonucleotide biosynthesis, UDP => dTTP [PATH:chig00240 chig01232 chig01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:chig00260 chig00680 chig01200 chig01230 chig01100]
M00018 Threonine biosynthesis, aspartate => homoserine => threonine [PATH:chig00260 chig01230 chig01100 chig01110]
M00621 Glycine cleavage system [PATH:chig00260 chig00630 chig00785 chig01200 chig01100]

Cysteine and methionine metabolism
M00338 Cysteine biosynthesis, homocysteine + serine => cysteine [PATH:chig00260 chig00270 chig01230 chig01100]
M00017 Methionine biosynthesis, aspartate => homoserine => methionine [PATH:chig00270 chig01230 chig01100]
M00034 Methionine salvage pathway [PATH:chig00270 chig01100]
M00035 Methionine degradation [PATH:chig00270 chig01100]

Branched-chain amino acid metabolism
M00019 Valine/isoleucine biosynthesis, pyruvate => valine / 2-oxobutanoate => isoleucine [PATH:chig00290 chig00770 chig01210 chig01230 chig01100 chig01110]
M00570 Isoleucine biosynthesis, threonine => 2-oxobutanoate => isoleucine [PATH:chig00290 chig01230 chig01100]
M00432 Leucine biosynthesis, 2-oxoisovalerate => 2-oxoisocaproate [PATH:chig00290 chig01210 chig01230 chig01100 chig01110]
M00036 Leucine degradation, leucine => acetoacetate + acetyl-CoA [PATH:chig00280 chig01100]

Lysine metabolism
M00030 Lysine biosynthesis, AAA pathway, 2-oxoglutarate => 2-aminoadipate => lysine [PATH:chig00300 chig01230 chig01100]
M00433 Lysine biosynthesis, 2-oxoglutarate => 2-oxoadipate [PATH:chig00300 chig01210 chig01230 chig01100]

Arginine and proline metabolism
M00028 Ornithine biosynthesis, glutamate => ornithine [PATH:chig00220 chig01210 chig01230 chig01100]
M00844 Arginine biosynthesis, ornithine => arginine [PATH:chig00220 chig01230 chig01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:chig00330 chig01230 chig01100]

Polyamine biosynthesis
M00134 Polyamine biosynthesis, arginine => ornithine => putrescine [PATH:chig00330 chig01100]

Histidine metabolism
M00026 Histidine biosynthesis, PRPP => histidine [PATH:chig00340 chig01230 chig01100 chig01110]

Aromatic amino acid metabolism
M00022 Shikimate pathway, phosphoenolpyruvate + erythrose-4P => chorismate [PATH:chig00400 chig01230 chig01100 chig01110]
M00023 Tryptophan biosynthesis, chorismate => tryptophan [PATH:chig00400 chig01230 chig01100 chig01110]
M00024 Phenylalanine biosynthesis, chorismate => phenylpyruvate => phenylalanine [PATH:chig00400 chig01230 chig01100 chig01110]
M00025 Tyrosine biosynthesis, chorismate => HPP => tyrosine [PATH:chig00400 chig01230 chig01100]
M00044 Tyrosine degradation, tyrosine => homogentisate [PATH:chig00350 chig01100]

Other amino acid metabolism
M00027 GABA (gamma-Aminobutyrate) shunt [PATH:chig00250 chig00650 chig01100]
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:chig00480 chig01240 chig01100]

Glycan metabolism
Glycan biosynthesis
M00072 N-glycosylation by oligosaccharyltransferase [PATH:chig00510 chig00513 chig01100]
M00073 N-glycan precursor trimming [PATH:chig00510 chig01100]

Glycosaminoglycan metabolism
Lipopolysaccharide metabolism
Other polysaccharide metabolism
Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00916 Pyridoxal-P biosynthesis, R5P + glyceraldehyde-3P + glutamine => pyridoxal-P [PATH:chig00750 chig01240 chig01100]
M00912 NAD biosynthesis, tryptophan => quinolinate => NAD [PATH:chig00380 chig00760 chig01240 chig01100]
M00123 Biotin biosynthesis, pimeloyl-ACP/CoA => biotin [PATH:chig00780 chig01240 chig01100]
M00882 Lipoic acid biosynthesis, eukaryotes, octanoyl-ACP => dihydrolipoyl-H [PATH:chig00785 chig01240 chig01100]
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor [PATH:chig00790 chig01240 chig01100]
M00141 C1-unit interconversion, eukaryotes [PATH:chig00670 chig01240 chig01100]
M00868 Heme biosynthesis, animals and fungi, glycine => heme [PATH:chig00860 chig01240 chig01100 chig01110]
M00128 Ubiquinone biosynthesis, eukaryotes, 4-hydroxybenzoate + polyprenyl-PP => ubiquinol [PATH:chig00130 chig01240 chig01100]

Biosynthesis of terpenoids and polyketides
Terpenoid backbone biosynthesis
M00095 C5 isoprenoid biosynthesis, mevalonate pathway [PATH:chig00900 chig01100 chig01110]
M00367 C10-C20 isoprenoid biosynthesis, non-plant eukaryotes [PATH:chig00900 chig01100 chig01110]

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
M00615 Nitrate assimilation