KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate [PATH:pxu00010 pxu01200 pxu01100]
M00002 Glycolysis, core module involving three-carbon compounds [PATH:pxu00010 pxu01200 pxu01230 pxu01100]
M00003 Gluconeogenesis, oxaloacetate => fructose-6P [PATH:pxu00010 pxu00020 pxu01100]
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA [PATH:pxu00010 pxu00020 pxu00620 pxu00785 pxu01200 pxu01210 pxu01100]
M00009 Citrate cycle (TCA cycle, Krebs cycle) [PATH:pxu00020 pxu01200 pxu01100]
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate [PATH:pxu00020 pxu01200 pxu01210 pxu01230 pxu01100]
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate [PATH:pxu00020 pxu01200 pxu01210 pxu01100]
M00004 Pentose phosphate pathway (Pentose phosphate cycle) [PATH:pxu00030 pxu01200 pxu01100]
M00006 Pentose phosphate pathway, oxidative phase, glucose 6P => ribulose 5P [PATH:pxu00030 pxu01200 pxu01100]
M00007 Pentose phosphate pathway, non-oxidative phase, fructose 6P => ribose 5P [PATH:pxu00030 pxu01200 pxu01230 pxu01100]
M00005 PRPP biosynthesis, ribose 5P => PRPP [PATH:pxu00030 pxu00230 pxu01200 pxu01230 pxu01100]

Other carbohydrate metabolism
M00014 Glucuronate pathway (uronate pathway) [PATH:pxu00040 pxu01100]
M00632 Galactose degradation, Leloir pathway, galactose => alpha-D-glucose-1P [PATH:pxu00052 pxu01100]
M00855 Glycogen degradation, glycogen => glucose-6P [PATH:pxu00500 pxu01100]
M00549 Nucleotide sugar biosynthesis, glucose => UDP-glucose [PATH:pxu00520 pxu01250 pxu01100]
M00554 Nucleotide sugar biosynthesis, galactose => UDP-galactose [PATH:pxu00520 pxu00052 pxu01250 pxu01100]
M00892 UDP-N-acetyl-D-glucosamine biosynthesis, eukaryotes, glucose => UDP-GlcNAc [PATH:pxu00520 pxu01250 pxu01100]
M00013 Malonate semialdehyde pathway, propanoyl-CoA => acetyl-CoA [PATH:pxu00410 pxu00640 pxu01200 pxu01100]
M00130 Inositol phosphate metabolism, PI=> PIP2 => Ins(1,4,5)P3 => Ins(1,3,4,5)P4 [PATH:pxu00562 pxu01100]

Energy metabolism
Carbon fixation
Methane metabolism
Nitrogen metabolism
Sulfur metabolism
Photosynthesis
ATP synthesis
M00142 NADH:ubiquinone oxidoreductase, mitochondria [PATH:pxu00190 pxu01100]
M00143 NADH dehydrogenase (ubiquinone) Fe-S protein/flavoprotein complex, mitochondria [PATH:pxu00190 pxu01100]
M00148 Succinate dehydrogenase (ubiquinone) [PATH:pxu00190 pxu01100]
M00151 Cytochrome bc1 complex respiratory unit [PATH:pxu00190 pxu01100]
M00160 V-type ATPase, eukaryotes [PATH:pxu00190 pxu01100]

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation [PATH:pxu00061 pxu01212 pxu01100]
M00083 Fatty acid biosynthesis, elongation [PATH:pxu00061 pxu01212 pxu01100]
M00085 Fatty acid elongation in mitochondria [PATH:pxu00062 pxu01212 pxu01100]
M00415 Fatty acid elongation in endoplasmic reticulum [PATH:pxu00062 pxu01040 pxu01212 pxu01100]
M00086 beta-Oxidation, acyl-CoA synthesis [PATH:pxu00061 pxu00071 pxu01212 pxu01100]
M00087 beta-Oxidation [PATH:pxu00071 pxu01212 pxu01100]
M00861 beta-Oxidation, peroxisome, VLCFA [PATH:pxu01040 pxu01212 pxu01100]

Sterol biosynthesis
Lipid metabolism
M00089 Triacylglycerol biosynthesis [PATH:pxu00561 pxu01100]
M00098 Acylglycerol degradation [PATH:pxu00561 pxu01100]
M00090 Phosphatidylcholine (PC) biosynthesis, choline => PC [PATH:pxu00564 pxu01100]
M00092 Phosphatidylethanolamine (PE) biosynthesis, ethanolamine => PE [PATH:pxu00564 pxu01100]
M00094 Ceramide biosynthesis [PATH:pxu00600 pxu01100]
M00099 Sphingosine biosynthesis [PATH:pxu00600 pxu01100]
M00100 Sphingosine degradation [PATH:pxu00600 pxu01100]

Nucleotide metabolism
Purine metabolism
M00048 De novo purine biosynthesis, PRPP + glutamine => IMP [PATH:pxu00230 pxu01100]
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP [PATH:pxu00230 pxu01232 pxu01240 pxu01100]
M00050 Guanine ribonucleotide biosynthesis, IMP => GDP,GTP [PATH:pxu00230 pxu01232 pxu01100]
M00053 Deoxyribonucleotide biosynthesis, ADP/GDP/CDP/UDP => dATP/dGTP/dCTP/dUTP [PATH:pxu00230 pxu00240 pxu01232 pxu01100]
M00958 Adenine ribonucleotide degradation, AMP => Urate [PATH:pxu00230 pxu01232 pxu01100]
M00959 Guanine ribonucleotide degradation, GMP => Urate [PATH:pxu00230 pxu01232 pxu01100]
M00546 Purine degradation, xanthine => urea [PATH:pxu00230 pxu01100]

Pyrimidine metabolism
M00051 De novo pyrimidine biosynthesis, glutamine (+ PRPP) => UMP [PATH:pxu00240 pxu01240 pxu01100]
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP [PATH:pxu00240 pxu01232 pxu01240 pxu01100]
M00938 Pyrimidine deoxyribonucleotide biosynthesis, UDP => dTTP [PATH:pxu00240 pxu01232 pxu01100]
M00046 Pyrimidine degradation, uracil => beta-alanine, thymine => 3-aminoisobutanoate [PATH:pxu00240 pxu00410 pxu00770 pxu01100]

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine [PATH:pxu00260 pxu01200 pxu01230 pxu01100]
M00621 Glycine cleavage system [PATH:pxu00260 pxu00630 pxu00670 pxu00785 pxu01200 pxu01100]

Cysteine and methionine metabolism
M00338 Cysteine biosynthesis, homocysteine + serine => cysteine [PATH:pxu00260 pxu00270 pxu00670 pxu01230 pxu01100]
M00035 Methionine degradation [PATH:pxu00270 pxu00670 pxu01100]

Branched-chain amino acid metabolism
M00036 Leucine degradation, leucine => acetoacetate + acetyl-CoA [PATH:pxu00280 pxu01100]

Lysine metabolism
M00032 Lysine degradation, lysine => saccharopine => acetoacetyl-CoA [PATH:pxu00310 pxu01210 pxu01100]

Arginine and proline metabolism
M00844 Arginine biosynthesis, ornithine => arginine [PATH:pxu00220 pxu01230 pxu01100]
M00015 Proline biosynthesis, glutamate => proline [PATH:pxu00330 pxu01230 pxu01100]
M00970 Proline degradation, proline => glutamate [PATH:pxu00330 pxu01100]
M00972 Proline metabolism [PATH:pxu00330 pxu01100]

Polyamine biosynthesis
M00134 Polyamine biosynthesis, arginine => ornithine => putrescine [PATH:pxu00330 pxu01100]
M00135 GABA biosynthesis, eukaryotes, putrescine => GABA [PATH:pxu00330 pxu01100]

Histidine metabolism
Aromatic amino acid metabolism
M00044 Tyrosine degradation, tyrosine => homogentisate [PATH:pxu00350 pxu01100]

Other amino acid metabolism
M00027 GABA (gamma-Aminobutyrate) shunt [PATH:pxu00250 pxu00650 pxu01100]
M00118 Glutathione biosynthesis, glutamate => glutathione [PATH:pxu00480 pxu01240 pxu01100]

Glycan metabolism
Glycan biosynthesis
M00073 N-glycan precursor trimming [PATH:pxu00510 pxu01100]
M00983 GPI-anchor remodeling [PATH:pxu00563]

Glycosaminoglycan metabolism
M00059 Glycosaminoglycan biosynthesis, heparan sulfate backbone [PATH:pxu00534 pxu01100]

Lipopolysaccharide metabolism
Other polysaccharide metabolism
Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00120 Coenzyme A biosynthesis, pantothenate => CoA [PATH:pxu00770 pxu01240 pxu01100]
M00882 Lipoic acid biosynthesis, eukaryotes, octanoyl-ACP => dihydrolipoyl-H [PATH:pxu00785 pxu01240 pxu01100]
M00883 Lipoic acid biosynthesis, animals and bacteria, octanoyl-ACP => dihydrolipoyl-H => dihydrolipoyl-E2 [PATH:pxu00785 pxu01240 pxu01100]
M00842 Tetrahydrobiopterin biosynthesis, GTP => BH4 [PATH:pxu00790 pxu01240 pxu01100]
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor [PATH:pxu00790 pxu01240 pxu01100]
M00141 C1-unit interconversion, eukaryotes [PATH:pxu00670 pxu01240 pxu01100]
M00128 Ubiquinone biosynthesis, eukaryotes, 4-hydroxybenzoate + polyprenyl-PP => ubiquinol [PATH:pxu00130 pxu01240 pxu01100]

Biosynthesis of terpenoids and polyketides
Terpenoid backbone biosynthesis
M00095 C5 isoprenoid biosynthesis, mevalonate pathway [PATH:pxu00900 pxu01100]
M00367 C10-C20 isoprenoid biosynthesis, non-plant eukaryotes [PATH:pxu00900 pxu01100]

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