KEGG Modules

Carbohydrate metabolism
Central carbohydrate metabolism
M00001 Glycolysis (Embden-Meyerhof pathway), glucose => pyruvate
M00002 Glycolysis, core module involving three-carbon compounds
M00307 Pyruvate oxidation, pyruvate => acetyl-CoA
M00010 Citrate cycle, first carbon oxidation, oxaloacetate => 2-oxoglutarate
M00004 Pentose phosphate pathway (Pentose phosphate cycle)
M00006 Pentose phosphate pathway, oxidative phase, glucose-6P => ribulose-5P
M00007 Pentose phosphate pathway, non-oxidative phase, fructose-6P => ribose-5P
M00005 PRPP biosynthesis, ribose-5P => PRPP

Other carbohydrate metabolism
M00632 Galactose degradation, Leloir pathway, galactose => alpha-D-glucose-1P

Energy metabolism
Carbon fixation
M00579 Phosphate acetyltransferase-acetate kinase pathway, acetyl-CoA => acetate

Nitrogen metabolism
M00175 Nitrogen fixation, nitrogen => ammonia

Sulfur metabolism
M00596 Dissimilatory sulfate reduction, sulfate => H2S

ATP synthesis
M00155 Cytochrome c oxidase, prokaryotes
M00157 F-type ATPase, prokaryotes and chloroplasts

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

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

Nucleotide metabolism
Purine metabolism
M00049 Adenine ribonucleotide biosynthesis, IMP => ADP,ATP
M00050 Guanine ribonucleotide biosynthesis, IMP => GDP,GTP

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

Amino acid metabolism
Serine and threonine metabolism
M00621 Glycine cleavage system
M00555 Betaine biosynthesis, choline => betaine

Cysteine and methionine metabolism
M00021 Cysteine biosynthesis, serine => cysteine

Branched-chain amino acid metabolism
M00019 Valine/isoleucine biosynthesis, pyruvate => valine / 2-oxobutanoate => isoleucine
M00432 Leucine biosynthesis, 2-oxoisovalerate => 2-oxoisocaproate

Lysine metabolism
M00527 Lysine biosynthesis, DAP aminotransferase 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

Aromatic amino acid metabolism
M00023 Tryptophan biosynthesis, chorismate => tryptophan

Glycan metabolism
Nucleotide sugar biosynthesis
M00909 UDP-GlcNAc biosynthesis, prokaryotes, Fru-6P => UDP-GlcNAc
M00995 UDP-MurNAc biosynthesis, Fru-6P => UDP-MurNAc
M00549 UDP-Glc biosynthesis, Glc => UDP-Glc
M01004 UDP-Galf biosynthesis, UDP-Glc => UDP-Galf
M00999 UDP-GlcA/GalA biosynthesis, UDP-Glc => UDP-GlcA => UDP-GalA
M00554 UDP-Gal biosynthesis, Gal => UDP-Gal
M01000 GDP-Man biosynthesis, Fru-6P => GDP-Man
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

Metabolism of cofactors and vitamins
Cofactor and vitamin metabolism
M00115 NAD biosynthesis, aspartate => quinolinate => NAD
M00881 Lipoic acid biosynthesis, plants and bacteria, octanoyl-ACP => dihydrolipoyl-E2/H
M00847 Heme biosynthesis, archaea, siroheme => heme
M00930 Menaquinone biosynthesis, futalosine pathway

Biosynthesis of terpenoids and polyketides
Terpenoid backbone biosynthesis
M00096 C5 isoprenoid biosynthesis, non-mevalonate pathway
M00364 C10-C20 isoprenoid biosynthesis, bacteria