KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00002 Glycolysis, core module involving three-carbon compounds
M00003 Gluconeogenesis, oxaloacetate => fructose-6P
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA
M00009 Citrate cycle (TCA cycle, Krebs cycle)
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate
M00011 Citrate cycle, second carbon oxidation, 2-oxoglutarate => oxaloacetate
M00007 Pentose phosphate pathway, non-oxidative phase, fructose-6P => ribose-5P
M00005 PRPP biosynthesis, ribose-5P => PRPP

Other carbohydrate metabolism
M00552 Galactonate degradation, De Ley-Doudoroff pathway, galactonate => glycerate-3P
M00012 Glyoxylate cycle
M00982 Methylcitrate cycle

Energy metabolism
Carbon fixation
M00168 CAM (Crassulacean acid metabolism), dark
M00579 Phosphate acetyltransferase-acetate kinase pathway, acetyl-CoA => acetate

Nitrogen metabolism
M00530 Dissimilatory nitrate reduction, nitrate => ammonia

Sulfur metabolism
M00595 Sulfur oxidation, SOX system, thiosulfate => sulfate
M00985 Sulfide oxidation, sulfide => sulfur

ATP synthesis
M00144 NADH:quinone oxidoreductase, prokaryotes
M00149 Succinate dehydrogenase, prokaryotes
M00150 Fumarate reductase, prokaryotes
M00151 Cytochrome bc1 complex respiratory unit
M00155 Cytochrome c oxidase, prokaryotes
M00153 Cytochrome bd ubiquinol oxidase
M00417 Cytochrome o ubiquinol oxidase
M00156 Cytochrome c oxidase, cbb3-type
M00157 F-type ATPase, prokaryotes and chloroplasts

Lipid metabolism
Fatty acid metabolism
M00082 Fatty acid biosynthesis, initiation
M00083 Fatty acid biosynthesis, elongation
M00086 beta-Oxidation, acyl-CoA synthesis
M00087 beta-Oxidation

Lipid metabolism
M00091 Phosphatidylcholine (PC) biosynthesis, PE => PC
M00093 Phosphatidylethanolamine (PE) biosynthesis, PA => PS => PE

Nucleotide metabolism
Purine metabolism
M00048 De novo purine biosynthesis, PRPP + glutamine => IMP
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP
M00050 Guanine ribonucleotide biosynthesis, IMP => GDP,GTP
M00053 Deoxyribonucleotide biosynthesis, ADP/GDP/CDP/UDP => dATP/dGTP/dCTP/dUTP

Pyrimidine metabolism
M00052 Pyrimidine ribonucleotide biosynthesis, UMP => UDP/UTP,CDP/CTP

Amino acid metabolism
Serine and threonine metabolism
M00020 Serine biosynthesis, glycerate-3P => serine
M00018 Threonine biosynthesis, aspartate => homoserine => threonine
M00621 Glycine cleavage system
M00033 Ectoine biosynthesis, aspartate => ectoine

Branched-chain amino acid metabolism
M00019 Valine/isoleucine biosynthesis, pyruvate => valine / 2-oxobutanoate => isoleucine
M00570 Isoleucine biosynthesis, threonine => 2-oxobutanoate => isoleucine
M00432 Leucine biosynthesis, 2-oxoisovalerate => 2-oxoisocaproate
M00036 Leucine degradation, leucine => acetoacetate + acetyl-CoA

Lysine metabolism
M00016 Lysine biosynthesis, succinyl-DAP pathway, aspartate => lysine

Arginine and proline metabolism
M00028 Ornithine biosynthesis, glutamate => ornithine
M00844 Arginine biosynthesis, ornithine => arginine
M00015 Proline biosynthesis, glutamate => proline
M00970 Proline degradation, proline => glutamate
M00972 Proline metabolism

Polyamine biosynthesis
M00133 Polyamine biosynthesis, arginine => agmatine => putrescine => spermidine

Histidine metabolism
M00026 Histidine biosynthesis, PRPP => histidine
M00045 Histidine degradation, histidine => N-formiminoglutamate => glutamate

Aromatic amino acid metabolism
M00022 Shikimate pathway, phosphoenolpyruvate + erythrose-4P => chorismate
M00023 Tryptophan biosynthesis, chorismate => tryptophan
M00024 Phenylalanine biosynthesis, chorismate => phenylpyruvate => phenylalanine
M00025 Tyrosine biosynthesis, chorismate => HPP => tyrosine
M00044 Tyrosine degradation, tyrosine => homogentisate

Other amino acid metabolism
M00118 Glutathione biosynthesis, glutamate => glutathione

Glycan metabolism
Nucleotide sugar biosynthesis
M00909 UDP-GlcNAc biosynthesis, prokaryotes, Fru-6P => UDP-GlcNAc
M00996 UDP-MurNAc biosynthesis, anhMurNAc => UDP-MurNAc
M00995 UDP-MurNAc biosynthesis, Fru-6P => UDP-MurNAc
M01000 GDP-Man biosynthesis, Fru-6P => GDP-Man
M01036 UDP-GalNAcA biosynthesis, UDP-GlcNAc => UDP-GalNAcA
M00923 UDP-L-FucNAc biosynthesis, UDP-GlcNAc => UDP-L-FucNAc
M00063 CMP-KDO biosynthesis, ribulose-5P => CMP-KDO
M00064 ADP-LDmanHep biosynthesis, sedoheptulose-7P => ADP-LDmanHep
M00793 dTDP-L-Rha biosynthesis, Glc-1P => dTDP-L-Rha
M01016 GDP-L-Fuc biosynthesis, GDP-Man => GDP-L-Fuc

Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00899 Thiamine salvage pathway, HMP/HET => TMP
M00115 NAD biosynthesis, aspartate => quinolinate => NAD
M00119 Pantothenate biosynthesis, valine/L-aspartate => pantothenate
M00120 Coenzyme A biosynthesis, pantothenate => CoA
M00572 Pimeloyl-ACP biosynthesis, BioC-BioH pathway, malonyl-ACP => pimeloyl-ACP
M00123 Biotin biosynthesis, pimeloyl-ACP/CoA => biotin
M00881 Lipoic acid biosynthesis, plants and bacteria, octanoyl-ACP => dihydrolipoyl-E2/H
M00126 Tetrahydrofolate biosynthesis, GTP => THF
M00880 Molybdenum cofactor biosynthesis, GTP => molybdenum cofactor
M00988 PreQ1 biosynthesis, GTP => 7-Aminomethyl-7-deazaguanine
M00846 Siroheme biosynthesis, glutamyl-tRNA => siroheme
M00121 Heme biosynthesis, plants and bacteria, glutamate => heme
M00117 Ubiquinone biosynthesis, prokaryotes, chorismate (+ polyprenyl-PP) => ubiquinol
M00989 Ubiquinone biosynthesis, O2-independent, prokaryotes, chorismate (+ polyprenyl-PP) =>..

Biosynthesis of other secondary metabolites
Biosynthesis of other bacterial compounds
M01056 Alcaligin biosynthesis, putrescine => alcaligin

Xenobiotics biodegradation
Aromatics degradation
M00568 Catechol ortho-cleavage, catechol => 3-oxoadipate
M00638 Salicylate degradation, salicylate => gentisate

Gene set
Drug resistance
M00639 Multidrug resistance, efflux pump MexCD-OprJ
M00643 Multidrug resistance, efflux pump MexXY-OprM
M00698 Multidrug resistance, efflux pump BpeEF-OprC