M00001 Glycolysis (Embden-Meyerhof pathway) M00002 Glycolysis, core module involving three-carbon compounds M00003 Gluconeogenesis M00307 Pyruvate oxidation M00009 Citrate cycle (TCA cycle, Krebs cycle) M00010 Citrate cycle, first carbon oxidation M00011 Citrate cycle, second carbon oxidation M00004 Pentose phosphate pathway (Pentose phosphate cycle) M00006 Pentose phosphate pathway, oxidative phase M00007 Pentose phosphate pathway, non-oxidative phase M00580 Pentose phosphate pathway, archaea M00005 PRPP biosynthesis M00008 Entner-Doudoroff pathway M00308 Semi-phosphorylative Entner-Doudoroff pathway M00633 Semi-phosphorylative Entner-Doudoroff pathway M00309 Non-phosphorylative Entner-Doudoroff pathway M00014 Glucuronate pathway (uronate pathway) M00630 D-Galacturonate degradation (fungi) M00631 D-Galacturonate degradation (bacteria) M00061 D-Glucuronate degradation M00081 Pectin degradation M00632 Galactose degradation, Leloir pathway M00552 D-galactonate degradation, De Ley-Doudoroff pathway M00129 Ascorbate biosynthesis, animals M00114 Ascorbate biosynthesis, plants M00550 Ascorbate degradation M00854 Glycogen biosynthesis M00855 Glycogen degradation M00565 Trehalose biosynthesis M00549 Nucleotide sugar biosynthesis M00554 Nucleotide sugar biosynthesis M00892 UDP-N-acetyl-D-glucosamine biosynthesis, eukaryotes M00761 Undecaprenylphosphate alpha-L-Ara4N biosynthesis M00012 Glyoxylate cycle M00373 Ethylmalonyl pathway M00740 Methylaspartate cycle M00532 Photorespiration M00013 Malonate semialdehyde pathway M00741 Propanoyl-CoA metabolism M00130 Inositol phosphate metabolism M00131 Inositol phosphate metabolism M00132 Inositol phosphate metabolism M00166 Reductive pentose phosphate cycle M00167 Reductive pentose phosphate cycle M00168 CAM (Crassulacean acid metabolism), dark M00169 CAM (Crassulacean acid metabolism), light M00172 C4-dicarboxylic acid cycle, NADP - malic enzyme type M00171 C4-dicarboxylic acid cycle, NAD - malic enzyme type M00170 C4-dicarboxylic acid cycle, phosphoenolpyruvate carboxykinase type M00173 Reductive citrate cycle (Arnon-Buchanan cycle) M00376 3-Hydroxypropionate bi-cycle M00375 Hydroxypropionate-hydroxybutylate cycle M00374 Dicarboxylate-hydroxybutyrate cycle M00377 Reductive acetyl-CoA pathway (Wood-Ljungdahl pathway) M00579 Phosphate acetyltransferase-acetate kinase pathway M00620 Incomplete reductive citrate cycle M00567 Methanogenesis M00357 Methanogenesis M00356 Methanogenesis M00563 Methanogenesis M00358 Coenzyme M biosynthesis M00608 2-Oxocarboxylic acid chain extension M00174 Methane oxidation, methanotroph M00346 Formaldehyde assimilation, serine pathway M00345 Formaldehyde assimilation, ribulose monophosphate pathway M00344 Formaldehyde assimilation, xylulose monophosphate pathway M00378 F420 biosynthesis M00935 Methanofuran biosynthesis M00422 Acetyl-CoA pathway M00175 Nitrogen fixation M00531 Assimilatory nitrate reduction M00530 Dissimilatory nitrate reduction M00529 Denitrification M00528 Nitrification M00804 Complete nitrification, comammox M00176 Assimilatory sulfate reduction M00596 Dissimilatory sulfate reduction M00595 Thiosulfate oxidation by SOX complex M00082 Fatty acid biosynthesis, initiation M00083 Fatty acid biosynthesis, elongation M00873 Fatty acid biosynthesis in mitochondria, animals M00874 Fatty acid biosynthesis in mitochondria, fungi M00085 Fatty acid elongation in mitochondria M00415 Fatty acid elongation in endoplasmic reticulum M00086 beta-Oxidation, acyl-CoA synthesis M00087 beta-Oxidation M00861 beta-Oxidation, peroxisome, VLCFA M00101 Cholesterol biosynthesis M00102 Ergocalciferol biosynthesis M00917 Phytosterol biosynthesis M00103 Cholecalciferol biosynthesis M00104 Bile acid biosynthesis M00106 Conjugated bile acid biosynthesis M00862 beta-Oxidation, peroxisome M00107 Steroid hormone biosynthesis M00108 C21-Steroid hormone biosynthesis M00109 C21-Steroid hormone biosynthesis M00110 C19/C18-Steroid hormone biosynthesis M00088 Ketone body biosynthesis M00089 Triacylglycerol biosynthesis M00098 Acylglycerol degradation M00090 Phosphatidylcholine (PC) biosynthesis M00091 Phosphatidylcholine (PC) biosynthesis M00092 Phosphatidylethanolamine (PE) biosynthesis M00093 Phosphatidylethanolamine (PE) biosynthesis M00094 Ceramide biosynthesis M00066 Lactosylceramide biosynthesis M00067 Sulfoglycolipids biosynthesis M00099 Sphingosine biosynthesis M00100 Sphingosine degradation M00113 Jasmonic acid biosynthesis M00048 Inosine monophosphate biosynthesis M00049 Adenine ribonucleotide biosynthesis M00050 Guanine ribonucleotide biosynthesis IMP => GDP,GTP M00546 Purine degradation M00051 Uridine monophosphate biosynthesis M00052 Pyrimidine ribonucleotide biosynthesis M00053 Pyrimidine deoxyribonuleotide biosynthesis M00046 Pyrimidine degradation M00018 Threonine biosynthesis M00555 Betaine biosynthesis M00033 Ectoine biosynthesis M00919 Ectoine degradation M00021 Cysteine biosynthesis M00338 Cysteine biosynthesis M00609 Cysteine biosynthesis M00017 Methionine biosynthesis M00034 Methionine salvage pathway M00035 Methionine degradation M00368 Ethylene biosynthesis M00019 Valine/isoleucine biosynthesis M00535 Isoleucine biosynthesis M00570 Isoleucine biosynthesis M00432 Leucine biosynthesis M00036 Leucine degradation M00016 Lysine biosynthesis, succinyl-DAP pathway M00525 Lysine biosynthesis, acetyl-DAP pathway M00526 Lysine biosynthesis, DAP dehydrogenase pathway M00527 Lysine biosynthesis, DAP aminotransferase pathway M00030 Lysine biosynthesis, AAA pathway M00433 Lysine biosynthesis M00031 Lysine biosynthesis, mediated by LysW M00032 Lysine degradation M00028 Ornithine biosynthesis M00763 Ornithine biosynthesis, mediated by LysW M00844 Arginine biosynthesis M00845 Arginine biosynthesis M00029 Urea cycle M00015 Proline biosynthesis M00047 Creatine pathway M00879 Arginine succinyltransferase pathway M00133 Polyamine biosynthesis M00134 Polyamine biosynthesis M00135 GABA biosynthesis, eukaryotes M00026 Histidine biosynthesis M00045 Histidine degradation M00022 Shikimate pathway M00023 Tryptophan biosynthesis M00024 Phenylalanine biosynthesis M00910 Phenylalanine biosynthesis M00025 Tyrosine biosynthesis M00040 Tyrosine biosynthesis M00042 Catecholamine biosynthesis M00043 Thyroid hormone biosynthesis M00044 Tyrosine degradation M00533 Homoprotocatechuate degradation M00037 Melatonin biosynthesis, animals M00936 Melatonin biosynthesis, plants M00038 Tryptophan metabolism M00027 GABA (gamma-Aminobutyrate) shunt M00369 Cyanogenic glycoside biosynthesis M00118 Glutathione biosynthesis M00055 N-glycan precursor biosynthesis M00072 N-glycosylation by oligosaccharyltransferase M00073 N-glycan precursor trimming M00074 N-glycan biosynthesis, high-mannose type M00075 N-glycan biosynthesis, complex type M00056 O-glycan biosynthesis, mucin type core M00872 O-glycan biosynthesis, mannose type (core M3) M00065 GPI-anchor biosynthesis, core oligosaccharide M00070 Glycosphingolipid biosynthesis, lacto-series M00071 Glycosphingolipid biosynthesis, neolacto-series M00068 Glycosphingolipid biosynthesis, globo-series M00069 Glycosphingolipid biosynthesis, ganglio series M00057 Glycosaminoglycan biosynthesis, linkage tetrasaccharide M00058 Glycosaminoglycan biosynthesis, chondroitin sulfate backbone M00059 Glycosaminoglycan biosynthesis, heparan sulfate backbone M00076 Dermatan sulfate degradation M00077 Chondroitin sulfate degradation M00078 Heparan sulfate degradation M00079 Keratan sulfate degradation M00060 KDO2-lipid A biosynthesis, Raetz pathway, LpxL-LpxM type M00866 KDO2-lipid A biosynthesis, Raetz pathway, non-LpxL-LpxM type M00867 KDO2-lipid A modification pathway M00063 CMP-KDO biosynthesis M00064 ADP-L-glycero-D-manno-heptose biosynthesis M00922 CMP-Neu5Ac biosynthesis M00923 UDP-L-FucNAm biosynthesis M00127 Thiamine biosynthesis, prokaryotes M00895 Thiamine biosynthesis, prokaryotes M00896 Thiamine biosynthesis, archaea M00897 Thiamine biosynthesis, plants M00898 Thiamine biosynthesis M00899 Thiamine salvage pathway M00125 Riboflavin biosynthesis, plants and bacteria M00911 Riboflavin biosynthesis, fungi M00124 Pyridoxal-P biosynthesis M00916 Pyridoxal-P biosynthesis M00115 NAD biosynthesis M00912 NAD biosynthesis M00810 Nicotine degradation, pyridine pathway M00811 Nicotine degradation, pyrrolidine pathway M00622 Nicotinate degradation M00119 Pantothenate biosynthesis M00913 Pantothenate biosynthesis M00120 Coenzyme A biosynthesis M00914 Coenzyme A biosynthesis, archaea M00572 Pimeloyl-ACP biosynthesis, BioC-BioH pathway M00123 Biotin biosynthesis M00573 Biotin biosynthesis, BioI pathway M00577 Biotin biosynthesis, BioW pathway M00881 Lipoic acid biosynthesis, plants and bacteria M00882 Lipoic acid biosynthesis, eukaryotes M00883 Lipoic acid biosynthesis, animals and bacteria M00884 Lipoic acid biosynthesis M00126 Tetrahydrofolate biosynthesis M00840 Tetrahydrofolate biosynthesis, mediated by ribA and trpF M00841 Tetrahydrofolate biosynthesis, mediated by PTPS M00842 Tetrahydrobiopterin biosynthesis M00843 L-threo-Tetrahydrobiopterin biosynthesis M00880 Molybdenum cofactor biosynthesis M00140 C1-unit interconversion, prokaryotes M00141 C1-unit interconversion, eukaryotes M00846 Siroheme biosynthesis M00868 Heme biosynthesis, animals and fungi M00121 Heme biosynthesis, plants and bacteria M00926 Heme biosynthesis, bacteria M00847 Heme biosynthesis, archaea M00924 Cobalamin biosynthesis, anaerobic M00925 Cobalamin biosynthesis, aerobic M00122 Cobalamin biosynthesis M00836 Coenzyme F430 biosynthesis M00117 Ubiquinone biosynthesis, prokaryotes M00128 Ubiquinone biosynthesis, eukaryotes M00116 Menaquinone biosynthesis M00930 Menaquinone biosynthesis, futalosine pathway M00931 Menaquinone biosynthesis, modified futalosine pathway M00932 Phylloquinone biosynthesis M00112 Tocopherol/tocotorienol biosynthesis M00933 Plastoquinone biosynthesis M00849 C5 isoprenoid biosynthesis, mevalonate pathway, archaea M00096 C5 isoprenoid biosynthesis, non-mevalonate pathway M00367 C10-C20 isoprenoid biosynthesis, non-plant eukaryotes M00097 beta-Carotene biosynthesis M00372 Abscisic acid biosynthesis M00371 Castasterone biosynthesis M00927 Gibberellin A12 biosynthesis M00928 Gibberellin A4/A1 biosynthesis M00773 Tylosin biosynthesis M00934 Mycinamicin biosynthesis M00774 Erythromycin biosynthesis M00775 Oleandomycin biosynthesis M00776 Pikromycin/methymycin biosynthesis M00777 Avermectin biosynthesis M00824 9-membered enediyne core biosynthesis M00825 10-membered enediyne core biosynthesis M00826 C-1027 benzoxazolinate moiety biosynthesis M00827 C-1027 beta-amino acid moiety biosynthesis M00828 Maduropeptin beta-hydroxy acid moiety biosynthesis M00829 3,6-Dimethylsalicylyl-CoA biosynthesis M00830 Neocarzinostatin naphthoate moiety biosynthesis M00831 Kedarcidin 2-hydroxynaphthoate moiety biosynthesis M00832 Kedarcidin 2-aza-3-chloro-beta-tyrosine moiety biosynthesis M00834 Calicheamicin orsellinate moiety biosynthesis M00833 Calicheamicin biosynthesis M00778 Type II polyketide backbone biosynthesis M00779 Dihydrokalafungin biosynthesis M00780 Tetracycline/oxytetracycline biosynthesis M00823 Chlortetracycline biosynthesis M00781 Nogalavinone/aklavinone biosynthesis M00782 Mithramycin biosynthesis M00783 Tetracenomycin C/8-demethyltetracenomycin C biosynthesis M00784 Elloramycin biosynthesis M00793 dTDP-L-rhamnose biosynthesis M00794 dTDP-6-deoxy-D-allose biosynthesis M00795 dTDP-beta-L-noviose biosynthesis M00796 dTDP-D-mycaminose biosynthesis M00797 dTDP-D-desosamine biosynthesis M00798 dTDP-L-mycarose biosynthesis M00799 dTDP-L-oleandrose biosynthesis M00800 dTDP-L-megosamine biosynthesis M00801 dTDP-L-olivose biosynthesis M00802 dTDP-D-forosamine biosynthesis M00803 dTDP-D-angolosamine biosynthesis M00039 Monolignol biosynthesis M00137 Flavanone biosynthesis M00138 Flavonoid biosynthesis M00370 Glucosinolate biosynthesis M00900 Cronin biosynthesis M00894 Cannabidiol biosynthesis M00902 Podophyllotoxin biosynthesis M00672 Penicillin biosynthesis M00673 Cephamycin C biosynthesis M00675 Carbapenem-3-carboxylate biosynthesis M00736 Nocardicin A biosynthesis M00674 Clavaminate biosynthesis M00877 Kanosamine biosynthesis glucose 6-phosphate => kanosamine M00889 Puromycin biosynthesis M00815 Validamycin A biosynthesis M00904 Dapdiamides biosynthesis M00785 Cycloserine biosynthesis M00787 Bacilysin biosynthesis M00848 Aurachin biosynthesis M00788 Terpentecin biosynthesis M00819 Pentalenolactone biosynthesis M00903 Fosfomycin biosynthesis M00890 Roseoflavin biosynthesis M00661 Paspaline biosynthesis M00786 Fumitremorgin alkaloid biosynthesis M00937 Aflatoxin biosynthesis M00893 Lovastatin biosynthesis M00891 Ditryptophenaline biosynthesis M00901 Fumiquinazoline biosynthesis M00814 Acarbose biosynthesis M00789 Rebeccamycin biosynthesis M00790 Pyrrolnitrin biosynthesis M00805 Staurosporine biosynthesis M00808 Violacein biosynthesis M00835 Pyocyanine biosynthesis M00837 Prodigiosin biosynthesis M00838 Undecylprodigiosin biosynthesis M00921 Cyclooctatin biosynthesis M00905 Grixazone biosynthesis M00876 Staphyloferrin A biosynthesis M00875 Staphyloferrin B biosynthesis M00918 Aerobactin biosynthesis M00906 Ethynylserine biosynthesis M00538 Toluene degradation M00537 Xylene degradation M00419 Cymene degradation M00547 Benzene/toluene degradation M00548 Benzene degradation M00551 Benzoate degradation M00637 Anthranilate degradation M00568 Catechol ortho-cleavage M00569 Catechol meta-cleavage M00539 Cumate degradation M00543 Biphenyl degradation M00544 Carbazole degradation M00418 Toluene degradation, anaerobic M00541 Benzoyl-CoA degradation M00540 Benzoate degradation M00534 Naphthalene degradation M00638 Salicylate degradation M00624 Terephthalate degradation M00623 Phthalate degradation M00636 Phthalate degradation M00878 Phenylacetate degradation M00545 Trans-cinnamate degradation M00915 Caffeine degradation